HCNA-Storage (H13-611) Question Library

v4.0
Number: H13-611
Passing Score: 600
Time Limit: 120 min
File Version: 1.0
Exam A

QUESTION 1
Which of the following statements about Huawei RAID2.0+
technology are correct? (Multiple choices)
A. Disk Types of Each Storage Layer in a Disk
Domain Are the
B. The space Same
of the hard disk is divided into
blocks of a fixed size.
C. Users can set RAID policies for each storage tier in the storage pool (storage pool).
D. grain is the minimum granularity of data migration and the basic unit of thin LUNs.

Correct Answer: ABC

QUESTION 2
Which of the following are not mandatory components in the FC SAN
environment? (Multiple choices)
A. Storage
Device
B. FC switch
C. FC HBA
D. Windows OS

Correct Answer: BD

QUESTION 3
SmartThin is a storage space management technology provided by Huawei OceanStor V3 storage systems. It is based on
virtualization.
The SmartThin reduces the deployment of physical storage resources and maximizes the utilization of storage space.
A. Pair
B. Error

Correct Answer: A

QUESTION 4
Which of the following statements about disk domains in Huawei RAID
2.0+ technology is incorrect?
A. One disk domain is a group of
hard
B. disks.
One disk can belong to only one disk
domain.
C. One or more disk domains can be created in an OceanStor V3 storage system.
D. In a disk domain, the disk types are the same, and the disk size and rotational
speed must be the same.
Correct Answer: D

QUESTION 5
The business models of cloud
computing are as follows: (Multiple
choices)
A. IaaS
B. PaaS
C. SaaS
D. MaaS

Correct Answer: ABC

QUESTION 6
Huawei OceanStor V3 SmartTier feature can be used to store data to a specified disk type.

A. Pair
B. Error
Correct Answer: A

QUESTION 7
Which of the following statements about CIFS and NFS sharing is
incorrect? (Multiple choices)
A. CIFS is a protocol based on network sharing and has high requirements on network transmission reliability. Therefore, the TCP
protocol is used for transmission.
Input
B. One disadvantage of CIFS is that the Windows client must be installed
with
C. professional
NFS software.
is a stateless protocol. CIFS is a stateful protocol. NFS can automatically recover from link faults, while CIFS does not.
Yes
D. The client needs to convert the file format regardless of the CIFS or
NFS protocol.
Correct Answer: BD

QUESTION 8
A bank will launch a service system that has high requirements on performance and security. The database uses the Oracle database
and plans to:
If the Oracle database is deployed in a storage system, which of the following is the optimal RAID policy when you create a RAID
group
A. for 1the Oracle database?
RAID
B. RAID 5
C. RAID 6
D. RAID 10

Correct Answer: D

QUESTION 9
The SCSI protocol can not only be used for communication between hosts and disks, but also for
communication between hosts and physical tape libraries or CD-ROMs.
A. Pair
B. Error

Correct Answer: A

QUESTION 10
In Huawei OceanStor V3 storage systems, a customer plans to deploy a service system that uses Oracle data and average data.
The block size is 16 KB. When SmartTier is used, which of the following data migration granularities is optimal?

A. 512 KB
B. 4 MB
C. 32MB
D. 64MB

Correct Answer: A

QUESTION 11
Which of the following methods can achieve
optimal RTO?
A. Disk – Disk
B. Disk -Disk -Tape
C. Remote Replication
D. Virtual tape
library
Correct Answer: C

QUESTION 12
In Huawei OceanStor V3, what is the unit for the Thick LUN to apply for space from the
storage system?
A. grain
B. chunk
C. stripe
D. extent

Correct Answer: D

QUESTION 13
Most data generated by the Internet industry is structured data, which accounts for 80% of the total
data volume.
A. Pair
B. Error

Correct Answer: B

QUESTION 14
Two descriptions about cloud computing are as follows:
1. A deployment model of cloud computing is to divide a large physical server into multiple small
virtual machines.
Description 2. A deployment model of cloud computing is to aggregate multiple small physical
servers
A. into a large
Description host.
1 and Description
2 are correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 and Description
QUESTION 15
2 are both incorrect.
The multipathing software can be used
only in IP SAN.
A. Pair
B. Error

Correct Answer: B

QUESTION 16
Which of the following statements about DAS are correct?
(Multiple choices)
A. The number of ports that can be
connected
B. Power offto the
the host is limited.
system when maintaining the
internal DAS.
C. If the storage space is insufficient, the DAS can share the remaining space of the
DAS.
D. When multiple hosts are connected to the DAS, services of different service levels
can be provided.
Correct Answer: AB

QUESTION 17
In Huawei OceanStor V3 based on RAID2.0+, when a user creates a file system, the system automatically creates the corresponding
LUN and adds the LUN to the LUN.
Generate a file system on the.
A. Pair
B. Error

Correct Answer: B

QUESTION 18
A company belongs to a bank. In the financial field, a large amount of service data and high security requirements
are required. Which RAID level is suitable for the company?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10

Correct Answer: D

QUESTION 19
When a bad sector or bad block occurs on a hard disk,
which of the following reconstruction modes is used?
A. Full Disk
Reconstruction
B. Partially
Reconstructed
C. Recovery
Reconstruction
Correct Answer: B
D. Local
QUESTION
Reconstruction 20
Which of the following statements about the
snapshot technology is incorrect?
A. When rolling back the file system snapshot, you must cancel the shared
mounting of the source
B. After multiple file system.
snapshots are opened for a file system, the snapshot is rolled back to one of the snapshots. After the rollback is
complete, the target snapshot creation time is deleted.
All snapshots
C. When of the is manually created for a file system, a new snapshot cannot be created for the file system if the
a snapshot
number of snapshots exceeds the limit.
D. When a periodic snapshot is created for a file system, the storage system automatically deletes the earliest
snapshot and generates
Correct Answer: D a new snapshot.

QUESTION 21
For random access to a mechanical disk, which of the following is the most significant
impact on the time taken to complete an I/O?
A. Seeking Time
B. Rotating delay
C. Data Transmission
Time
Correct Answer: A

QUESTION 22
InfiniBand ports are used for front-end host ports in Huawei OceanStor V3 unified storage systems. They can flexibly support direct
connection and switch networking.
Type.
A. Pair
B. Error

Correct Answer: B

QUESTION 23
Which of the following statements about the NAS solution are correct?
(Multiple choices)
A. NAS provides storage resources through file-level data access
and sharing.
B.
C. Can be shared
The CIFS through
and NFS the FCare
protocols network.
used.
D. NAS Clients and NAS Storage Devices Are Interconnected
Through IP Networks
Correct Answer: ACD

QUESTION 24
Disk domains support online disk addition. Storage pools
support online capacity expansion.
A. Pair
B. Error

Correct Answer: A

QUESTION 25
Which of the following operations is a daily maintenance item in
the data center storage?
A. Viewing and Handling
Alarms
B. Inspecting Storage
Devices
C. Checking the Equipment
Room Environment
Correct Answer: A
D. Checking the Internal
QUESTION
Environment of 26the Rack
Description 1: HyperMirror If one LUN is faulty, host services are not interrupted. If the primary LUN of HyperClone is
faulty, services on the host are interrupted.
Description 2: The HyperMirror supports dual copies. The HyperClone supports a maximum of one primary LUN. 16:
Slave LUN mode.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: B
D. Description 1 Error,
QUESTION
Description 2 27Error
Which of the following statements about SAN and NAS
are correct? (Multiple choices)
A. SAN is more used in database scenarios to store structured data.
B. Currently, NAS stores unstructured data, for example, shared files used by employees in many departments to share and centrally
store key office documents.
Server.
C. DAS, NAS, and SAN are external storage devices. Therefore, storage resources can be
shared
D. The easily.
NAS feature is that the file system of the server is stored in the memory so that the server can share data through the
network.
Correct Answer: ABD

QUESTION 28
What are the major concerns of the disaster
recovery system? (Multiple choices)
A. Backup
Window
B.
C. RTO
RPO
D. Backup
Capacity
Correct Answer: ABC

QUESTION 29
The principle is as follows: Performance. Cost. Sharing. Which of the following statements about NAS storage and SAN
storage are correct? (Multiple choices)
A. NAS performance is higher than SAN, and the
cost
B. SANis higher than thattooffile
is applicable SAN.
sharing scenarios and facilitates
file sharing.
C. NAS is a storage device with a file system. It shares files through the network, which is equivalent to a host on the network.
D. SAN is a disk network connected to high-speed optical fibers. It provides disk resources for hosts and does not have a file system.
It is equivalent to a hard disk on the network.
Correct Answer: CD
QUESTION 30
High availability (HA) refers to the capability of continuing to access applications when a single component of the local system is
faulty. A
In a data center, the downtime in a year is one hour. What is the HA of the data center?
A. 0.99999
B. 0.9998858
C. 0.999999
D. 0.998934

Correct Answer: B

QUESTION 31
In the backup system, the data that needs to be backed up must be stored in the backup media only
after passing through the media server.
A. Pair
B. Error

Correct Answer: A

QUESTION 32
A process of regenerating all user data and verification data on a faulty disk in a mirror array or a RAID array is referred to
as:
A.
Recomputation
B.
C. Hot Backup
Reconstruction
D. Recovery

Correct Answer: B

QUESTION 33
Due to the earthquake, the IT system broke down at 16:00 on November 11. As a result, services were interrupted. The IT system
was restored to the normal state at 23:00 on the current day.
What is the RTO and RPO when the data is generated at 12:00 on the current day?
A. RTO=4 hours, RPO=7 hours
B. RTO=7 hours, RPO=4 hours
C. RTO=2 hours, RPO=4 hours
D. RTO=7 hours, RPO=3 hours

Correct Answer: B

QUESTION 34
A company needs to make a backup policy. The backup data volume of the company is small. The company wants to back up
data in a short time and save storage space to the maximum extent.
Between. What type of backup do you recommend?
A. Full Backup
B. Accumulative
Incremental Backup
C. Differential
Incremental Backup
Correct Answer: C

QUESTION 35
Which of the following are FC SAN
networking modes? (Multiple choices)
A. Direct
Connection
B. Single
Switching
C. Dual
Switch
D. Arbitration
Ring
Correct Answer: ABC

QUESTION 36
A bank needs to ensure data security and transfer large databases. Which storage network architecture does the bank
apply to?
A. IP SAN
B. FC SAN
C. DAS
D. NAS

Correct Answer: B

QUESTION 37
Tom, an employee of a company, functions as the administrator of the company's storage system. When two sets of OceanStor5500
V3 are used to implement the disaster recovery scheme, you only need to perform the following operations:
One OceanStor5500 V3 in is configured with the remote replication software.
A. Pair
B. Error

Correct Answer: B

QUESTION 38
A company user can use a management software to automatically report alarms of its connected storage devices to Huawei service
support center. Excuse me, this user
Which software is used?
A. DeviceManager
B. CLI Management
Interface
C. Toolkit
D. eService

Correct Answer: D

QUESTION 39
When the Windows copy program copies local files to the file system, the file system block size of Huawei OceanStor V3 storage
system is the default value.
In this way, the storage space is fully utilized.
A. Pair
B. Error

Correct Answer: B

QUESTION 40
The SmartCache feature of Huawei OceanStor V3 series can improve only read performance but not write
performance.
A. Pair
B. Error

Correct Answer: A

QUESTION 41
Based on the amount of data to be backed up, the backup
types are as follows:
A. Real-time
backup
B. Full Backup
C. Incremental
Backup
D. Differential
Backup
Correct Answer: BCD

QUESTION 42
Which of the following statements about the advantages of SSDs and HDDs are correct?
(Multiple choices)
A. Without High-Speed Rotating
Components,
B. SupportingHigh Performance
TCQ/NCQ and multiple I/O requests
at a time
C. SSDs are applicable to scenarios that require large storage capacity.
D. SSDs can be used in harsh environments, such as high temperature, high humidity, and strong
earthquakes.
Correct Answer: ABD

QUESTION 43
What is the synchronization period of asynchronous
remote replication?
A. 1s~144min
B. 3s~144min
C. 1s~300min
D. 3s~300min

Correct Answer: B

QUESTION 44
In the components of mechanical disks, which of the following
components is responsible for reading and writing data?
A. Disk
B. Read/Write
head
C. Magnetic head
arm
D. Spindle
Correct Answer: B

QUESTION 45
LAN Free and Server Free are backup networks and have little impact on host
performance.
A. Pair
B. Error

Correct Answer: A

QUESTION 46
Which of the following statements about database-
level DR is incorrect?
A. The database-level DR technology is used for the fixed database design.
B. The database-level DR supports WAN, but requires independent hardware
support.
C. Database-level DR is implemented by transmitting data logs and replaying (Replay) at the DR site.
D. Database DR: In asynchronous mode, a large amount of data is lost, and at least one log file is lost.

Correct Answer: B

QUESTION 47
Which of the following statements about RAID 5 and
RAID 10 are correct?
A. The sequential read performance of RAID 5
is lower
B. If the than that ofpressure
front-end RAID 10.
is sufficient, the sequential write performance of
RAID 5 is higher than that of RAID 10.
C.
D. The
RAID random read performance
5 has higher random writeof RAID 5 is lower than that of RAID 10.
performance than RAID 10.
Correct Answer: B

QUESTION 48
Which of the following statements about common
storage protocols are correct?
A. The ATA protocol uses parallel interfaces and can be used only in the built-
in mode. The cable length is required.
B.
C. The
One SCSI protocolcan
SAS domain does not support
connect to 15 hot swap.
devices.
D. FC protocol compatibility and long
transmission distance
Correct Answer: A

QUESTION 49
Tom, an employee of a small enterprise, accesses the shared file through the CIFS protocol on the Linux application server
supported by the storage system.
A. Pair
B. Error

Correct Answer: B

QUESTION 50
About the data level. Which of the following statements about
application-level and service-level disaster recovery are correct?
A. RTO, Data Level < Application Level <
Service Level
B. RTO, Data Level < Service Level <
Application Level
C. About TCO, Data Level < Application Level
< ServiceAnswer:
Correct Level C
D. About TCO, Service Level < Data Level <
QUESTION 51
Application Level
The client server resources of a company are sufficient but network resources are insufficient.
Which of the following deduplication policies can be selected?
A. File-level
deduplication
B. Byte-level
deduplication
D. Target
C. Source
Deduplication
Deduplication
Correct Answer: C

QUESTION 52
The server where the Linux operating system is installed accesses the disk array based on the RAID 5 policy. The
access path is as follows:
A. File system -> Application system -> Volume ->I/O Subsystem ->RAID
Controller -> Disk
B. Application system -> File system -> Volume ->I/O Subsystem ->RAID
Controller -> Disk
C. Application system -> File system -> I/O Subsystem -> Volume -> RAID
Controller
Correct -> Disk C
Answer:
D. Application system -> File system -> Volume -> RAID Controller ->I/O
QUESTION
Subsystem -> 53Disk
The host layer DR investment is low and the
compatibility is good.
A. Pair
B. Error
Correct Answer: A

QUESTION 54
An enterprise uses the cloud active/standby data-level DR. During service planning, two types of LUNs can be created on the storage
based on the actual requirements: Protection LUN and
If a LUN is not protected, create a DR VM on the protected LUN and configure array replication only for the protected LUN to save
the storage space in the DR center.
Indicates
A. Pair the requirement between.
B. Error

Correct Answer: A

QUESTION 55
Which of the following is the correct sequence for configuring basic data center block storage services?
1. Create a mapping view. 2. Create a storage pool. 3. Create a disk domain. 4. Create a LUN and create a LUN group. 5. Create
a host group.
6. Logging In to DeviceManager
A. 6->2->3->4->5->1
B. 6->3->2->4->5->1
C. 3->2->4->5->1->6
D. 4->5->2->3->1->6

Correct Answer: B

QUESTION 56
Which of the following statements about the LAN-FREE backup mode
is incorrect?
A. Backup Data Flow Does Not Occupy LAN
Resources
B. The backup agent does not affect the
performance of the application server.
C. Backup performance is usually higher than that
of LAN-BASED.
Correct Answer: B
D. The network performance is not affected.
QUESTION 57
Description 1: When a CIFS share with the same IP address (domain name or host name) is mounted on Windows, one or more
users can be attached to the same user.
Shares are shared, but different users cannot mount the same or different shares.
Description 2: When the Homedir share of the same IP address (domain name or host name) is mounted to the Windows operating
system, multiple users cannot be mounted to the same share.
Yes.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 Error,
QUESTION
Description 2 58Error
Which of the following statements about
reconstruction is incorrect?
A. RAID 0, 1, 3, 5, 6, and 10 support
reconstruction.
B. You do not need hot spare disks for
reconstruction.
C. Reconstruction Affects RAID
Performance
Correct Answer: A
D. Reconstruction does not interrupt
QUESTION
RAID services. 59
The dual-switch network design is widely used in the FC SAN environment. Which of the following statements about the dual-
switch network redundancy design are correct?
(Multiple choices)
A. In the SAN environment, two Fibre Channel switches are deployed to connect to the two
controllers of the storage device.
B. Each host requires two available FC ports and the two ports are connected to different
switches.
C. Host ports that need to communicate with storage devices must be in the same zone.
D. Although
Correct multiple
Answer: ABC paths exist, the dual-switch network supports only link redundancy and
does not support load balancing.
QUESTION 60
The data center is used to connect to the. Infrastructure that bears the services of the server. Based on services, data centers can
be classified into the following types: (Multiple choices)
A. Cloud Data
Center
B. Enterprise Data
Center
C. Carrier Data Center
D. Internet Data Center
Correct Answer: BCD

QUESTION 61
In a Huawei storage system using the RAID2.0+ technology, a disk domain can contain only one type
of disks.
A. Pair
B. Error

Correct Answer: B

QUESTION 62
A device can have only one WWPN but multiple WWNN.

A. Pair
B. Error

Correct Answer: B

QUESTION 63
Which of the following are key features of
cloud computing?
A. Users can perform self-
service
B. operations
The resource as required.
pool used by the user is irrelevant to the exact geographical
location of the resource pool.
C. Can be quick. Provides users with elastic capabilities, such as computing and
storage capabilities.
D. Fees are
Correct charged
Answer: based on the actual usage of the user.
ABCD

QUESTION 64
Two CKs in a CKG of the RAID2.0+ can come from the same hard
disk.
A. Pair
B. Error

Correct Answer: B

QUESTION 65
Which of the following statements about NAS is
incorrect? (Multiple choices)
A. NAS devices can use the cluster technology for failover.
B. NAS provides a console for centralized management to effectively
manage file systems.
C.
D. The
One NAS
clientcannot
cannotbe
beaccessed bytomultiple
connected multipleclients
NAS at the same time.
devices at the same time.
Correct Answer: CD

QUESTION 66
Which of the following is not a
backup type?
A. Full Backup
B. Accumulative
Incremental Backup
C. Differential
Incremental Backup
D. Real-time
Correct backup
Answer: D

QUESTION 67
Description 1: The operating environment of the FC protocol is different from that of the FCoE
protocol. The running channels are different, and the protocol stacks are the same.
Description 2: FCoE can only be used on 10GE networks, which solves the problem of short FC
transmission
A. Description distance and packet
1 is correct and loss on the IP network.
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 Error,
QUESTION
Description 2 68Error
Which of the following statements about
IOPS is incorrect?
A. Number of I/Os per second. Each I/O is fixed based on the size of written data.
B. If a large amount of continuous data is written to each I/O without frequent channel change, the number of I/Os per second is
low.
C. If the head frequently changes channels and the data written each time is large, the IOPS should be the lowest value of the disk.
D. If the minimum data block is written each time, for example, 512 bytes, the IOPS is the highest.
Correct Answer: A

QUESTION 69
To use a Windows-based server to use storage resources provided by OceanStor V3 storage devices, perform the following
steps:
1. Creating a Disk Domain and a Storage Pool
2. Creating Hosts and Host Groups
3. Creating LUNs and LUN Groups
4. Configure the initiator (initiator) on the server and storage device.
5. Connecting Servers to Storage Devices
6. Formatting Logical Disks
7. Installing Initiator Software on the Server
Sort the preceding steps.
8. Mapping

A. 2->3->1->4->5->6->7->8
B. 1->2->3->4->5->6->7->8
C. 2->3->1->4->8->7->5->6
D. 7->5->1->3->2->4->8->6

Correct Answer: D

QUESTION 70
When a company needs to migrate data between devices, which of the following features can be used?
(Multiple choices)
A. Remote Replication
B. LUN Copy
C. SmartMigration
D. Clone

Correct Answer: ABCD

QUESTION 71
SAN network-based data replication is a storage area network (SAN) between front-end application servers and back-end storage
systems.
An intelligent switch at the layer. The front-end connects to the server host, and the back-end connects to the storage device.
A. Pair
B. Error

Correct Answer: A

QUESTION 72
Semi-structured data is generally self-described. The data structure and content are mixed together.

A. Pair
B. Error

Correct Answer: A

QUESTION 73
Description 1: A RAID consisting of several hard disks is called a physical volume.
Description 2: RAID 5 improves the read/write rate and provides data security. However, when a single disk is faulty, the read/write
performance is high.
It's a big drop.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: C
D. Description 1 Error,
QUESTION
Description 2 74Error
The port selected in the IP address floating policy is irrelevant to the port rate and is related to the location of the
port. Which of the following is the sequence of selecting ports?
1. Ports with the same location on the peer controller
2. Ports at other locations of the peer controller
3. Port of the local controller
A. 1->2->3
B. 2->1->3
C. 3->1->2
D. 2->3->1

Correct Answer: C

QUESTION 75
Which of the following is the performance
indicator of a storage system?
A. IOPS
B.
Bandwidth
C. Capacity
D. Delay

Correct Answer: ABD

QUESTION 76
About HyperMetro. Hot backup. Warm-up. Which of the following statements about
the four DR modes of cold backup is incorrect?
A. The RTO of a data center in cold backup mode is long and
unpredictable.
B.
C. The
When RTO
the of data centers
service in active-active
is unavailable modecenter
due to a data is thefault,
shortest.
software can be used to automatically switch services in hot backup and
active-active modes. In warm backup mode,
Manual intervention
D. The software cost isrequired
required.
in In
hotcold standby mode, manual intervention is required.
backup mode is the highest.
Correct Answer: D

QUESTION 77
Which of the following is the default multipathing load balancing policy used by
Huawei OceanStor V3 storage products?
A. Polling
B. Minimum Queue
Depth
C. Minimum Task
D. Minimum number
of I/Os Answer: B
Correct

QUESTION 78
Which of the following statements about data
and information is correct?
A. Data is a record that reflects the attributes of objective things and is a
specific form of information.
B.
C. Data refers to information
The information thatand
is processed canprocessed
be stored to
and transmitted.
meet the requirements
of the user for decision making.
D. Data is the sum of information and data redundancy.
Correct Answer: ABCD

QUESTION 79
Which of the following statements about the benefits and necessity of enterprise
DR system construction is incorrect?
A. Preventing Major Loss and Reducing
Enterprise
B. ComplyRisks
with policies and regulations and
meet
C. industry regulatory
Simplifying O&M andrequirements.
Preventing Incidents
D. Reduce DR levels in areas where natural disasters seldom occur.

Correct Answer: D

QUESTION 80
IP address flapping can be caused by different types of
interface modules.
A. Pair
B. Error

Correct Answer: B

QUESTION 81
A port connected to a switch cannot belong to multiple zones but can be divided into only one zone.

A. Pair
B. Error

Correct Answer: B

QUESTION 82
Hybrid cloud is a solution that uses both private and public
clouds.
A. Pair
B. Error

Correct Answer: A

QUESTION 83
Which of the following conditions should be considered for
the backup bandwidth of a device? (Multiple choices)
A. Capacity of Initial Data
B. Quantity Increment Per
Day
C. Backup Period
D.
Personnel
Correct Answer: ABC

QUESTION 84
In Huawei OceanStor V3 storage systems, multiple snapshots can be created for a LUN, but only one snapshot can be activated.

A. Pair
B. Error

Correct Answer: B

QUESTION 85
When the NFS protocol is used and the client is added, setting the read and
write permissions affects the performance.
A. Pair
B. Error

Correct Answer: B

QUESTION 86
The IT architecture is cloudified from "separation" to
"convergence". Which of the following is the convergence?
A. Convergence of IT
infrastructure
B. Convergence of
Applications and Servers
C.
D. Convergence of Hardware
Multi-application sharing and open
and Software
cloud computing machine
Correct Answer: D

QUESTION 87
Which of the following statements about RAID 5 are
correct? (Multiple choices)
A. RAID 5 has a fixed parity
disk.
B. RAID 5 uses the XOR algorithm
for verification.
C. RAID 5 uses striped data to write
data.
D. RAID 5 allows a maximum of two member disks to fail at the same time
when data is not lost.
Correct Answer: BC
QUESTION 88
Which of the following statements about SAN synchronous
(1). The production
replication storage receives a write request from the host. The HyperReplication records the request in the log. Only address
are correct?
information is recorded in logs.
Data content.
(2). The HyperReplication waits for the write processing results of both the primary LUN and the secondary LUN. If the write
operation succeeds, the log is cleared. Otherwise, this field is reserved.
The log is in the abnormal disconnection state. The data block corresponding to the log address is copied again when the
synchronization is started.
(3).(1)
A. Write the (4)
(3) (2) request into the primary LUN and the secondary LUN. Generally, a LUN is in the write-back state, and data is written
to the cache.
B. (1) (2) (3) (4)
(4). Return a write request processing result of the host, where a processing result of writing to the primary LUN is used.
C. (2) (1) (3) (4)
D. (4) (2) (3) (1)

Correct Answer: A

QUESTION 89
Which of the following storage functions provide the data disaster recovery
function for customers? (Multiple choices)
A. Snapshot
B. Cache Prefetch
C. Remote
Replication
D. Hierarchical
Correct
Storage Answer: AC

QUESTION 90
Which of the following statements about the FC SAN network
switching technology is incorrect?
A. A technology that is widely used and supports a
maximum of 127
B. The switch maydevices
provide multiple nodes that can be connected to the switch
to communicate with each other at the same time.
C. Failure of a Node in a Zone Does Not Affect Node Services in Other Zones
D. Switches use zones to manage network zones and provide optimal
interconnection
Correct Answer: modes.
A

QUESTION 91
Which of the following technologies is used by the OceanStor
5300 V3 expansion controller?
A. Scale-out
B. Scale-up
C. Scale-in
D. Scale-deep

Correct Answer: A

QUESTION 92
What are the infrastructure of the data center?
(Multiple choices)
A. Fire
Extinguishing
System
B. Power Supply
System
C. Cabinet
Correct Answer: ABCD
System
D. Integrated
Cabling
QUESTION 93
Which of the following is a narrow storage?

A. Disk
B. Disk Array
C. Disk chassis
D. Tape Library

Correct Answer: A

QUESTION 94
What are the challenges of disaster recovery?
(Multiple choices)
A. DR construction requires
expensive
B. Variousinvestment.
applications and
inconvenient management
C. The cloudification trend of IT systems becomes more and more obvious, and many VMs need to be protected. Currently, DR
construction lacks a unified management system.
D. Data sharing capabilities are restricted by physical locations of data. Applications and data cannot be separated. Agile
applications and better
Correct Answer: ABCD DR features cannot be constructed.

QUESTION 95
If a company uses the OLTP database, which of the following migration policies is
suitable for the SmartTier?
A. Not
Migrated
B. Automatic
Migration
C. Migrating to the
High-Performance Layer
D. Migration to the Low
Performance
Correct Answer:LayerC

QUESTION 96
Description 1: Controllers of a storage system are connected to each other. If one controller is faulty, it belongs to the working
controller of the LUN managed by the controller.
Description
The controller2: The workingtocontroller
is switched a normal and owning
working controller of a LUN must be the
controller.
same controller.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is incorrect, and
description 2 is correct.
C. Description 1 Error,
Description
Correct 2 ErrorD
Answer:
D. Description 1 is correct, and
QUESTION
description 2 is97incorrect.
After UltraPath is installed on a host, which of the following statements
are correct? (Multiple choices)
A. LUNs are automatically
mapped
B. Assisttothe
hosts.
operating system to access the same LUN through multiple links
to avoid logic errors.
C. Improve link reliability and prevent single link faults to prevent system
failures.
D. Creating
Correct a SCSIBC
Answer: Connection Between a Host and a Storage Device

QUESTION 98
Database data is structured data and audio. Video data is unstructured data. Currently, the growth of storage space mainly comes from
unstructured data.
Rapid data growth.
A. Pair
B. Error

Correct Answer: A

QUESTION 99
Which of the following statements about the NFS write mode of Huawei OceanStor
V3 storage systems are correct?
A. In synchronous mode, the shared data is written to the cache and then
written to the disk.
B. In asynchronous mode, data is written to the hard disk immediately after
being
D. Thewritten
systemtouses
the the
shared disk.
synchronous
C. Themode
write system
by uses the asynchronous write mode by default.
default.
Correct Answer: D

QUESTION 100
Which of the following statements about
the DR drill is incorrect? .
A. Perform exercises based on the actual
DR steps.
B. Be familiar with the disaster recovery process through disaster recovery and
develop the service recovery capability when a disaster occurs.
C.
D. The
The service
DR drillintegrity cannot beand
is a verification checked through
is the most the DRmeans
effective drill. to
prove the availability of the system.
Correct Answer: C

QUESTION 101
Which of the following is the full name of the
RPO used in disaster recovery backup?
A. Return Purchase Order
B. Recover Plan Objective
C. Restore Point Objective
D. Recovery Point Objective

Correct Answer: D

QUESTION 102
Which of the following statements about Quota
tree are correct?
A. Quota tree is a level-1 directory in the file
system.
B. Only administrators can create, delete, and rename operations on the CLI or GUI. Common users can delete empty quotas.
Tree
C. Quota tree can be renamed and deleted when it is shared
through
D. Commonprotocols.
users can manage the number or capacity of files in Quota Tree.

Correct Answer: A

QUESTION 103
In Huawei OceanStor V3 storage systems, a customer plans to deploy three systems, one service system, and Oracle database.
High read and write performance A set of email system, which is used for daily mail processing. A video system that stores videos
that have been archived for a long time. In, respectively,
When a LUN is created in a system, which of the following statements about the SmartTier policy is correct? (Multiple choices)
A. Business system:
1. Initial capacity allocation: Preferentially allocated
from the performance layer.
2.
B. Data
Emailmigration
system: policy: Migration to the low
performance tier allocation: Automatic
1. Initial capacity
allocation
2.
C. Data
Videomigration
system: policy: Automatic
migration
 1. Initial Capacity Allocation: Preferentially
allocated from the capacity layer
2. Data
D. Video Migration Policy: Automatic migration
system:
1. Initial Capacity Allocation: Preferentially allocated
from the capacity layer
2. Data Migration Policy: Migration to the low
performance
Correct tier BD
Answer:

QUESTION 104
Which of the following RAID types should be selected to deploy database services with random small I/Os on
storage devices? Why?
A. RAID 10 without write
penalty
B. RAID 5 without write
penalty
C. RAID 10, without read
penalty
Correct Answer: A
D. RAID 5, without read
QUESTION
penalty 105
CKGs consist of multiple CKs on different types of disks in a disk
domain.
A. Pair
B. Error

Correct Answer: B

QUESTION 106
FCoE encapsulates frames in Fibre Channel into lossless Ethernet and applies to building a storage
network.
A. Pair
B. Error

Correct Answer: A

QUESTION 107
The OceanStor 6800 V3 subrack can be configured with four controllers or two controllers. If the dual-controller power supply and
the BBU are fully configured,
The interface card and controller are configured in the upper row.
A. Pair
B. Error

Correct Answer: A

QUESTION 108
The Internet of Things (IoT) is an important part of the new generation of information technology and an important development
stage of the "informatization" era. The English name is as follows: Internet of
Things (IoT).
A. Pair
B. Error

Correct Answer: A

QUESTION 109
SmartTier requires three types of hard disks in the storage pool.

A. Pair
B. Error
Correct Answer: B

QUESTION 110
The extent of the RAID2.0+ technology is the basic unit of the technologies in the
storage pool. (Multiple choices)
A. Application
Space
B. Release Space
C. Data Statistics
D. Data
Migration
Correct Answer: ABCD

QUESTION 111
Which of the following are host layer DR
solutions? (Multiple choices)
A. Application
Level
B. Database
Level
C.
D. Array Level
Logical
Volume Level
Correct Answer: ABD

QUESTION 112
FC depends on the dedicated FC network, which is easy
to form storage silos.
A. Pair
B. Error

Correct Answer: A

QUESTION 113
NAS devices optimize functions such as file service, storage, retrieval, and file access based on common servers.

A. Pair
B. Error

Correct Answer: A

QUESTION 114
When an enterprise backs up data, data flows are transmitted over an independent network without passing through the production
server.
What is the backup network?
A. LAN-Base
B. LAN-free
C. Server-Free
D. NDMP

Correct Answer: C

QUESTION 115
In a RAID 5 group consisting of three disks, 10110110 and 11010011 are written into two pieces of data that form the same
stripe at the same time.
Disk, 01100101 will be written to the parity disk.
A. Pair
B. Error

Correct Answer: A
QUESTION 116
Which of the following statements about pre-copy is
incorrect?
A. Precopy is a process of copying data from a member disk that is about to expire
to a hot spare disk.
B. The data to be pre-copied must be calculated and reconstructed.
C. Precopy greatly reduces the risk of data loss.
D. Precopy requires hot spare disks.
Correct Answer: B

QUESTION 117
The business volume of an e-commerce website is stable. The customer purchases a server to set up a private cloud operation.
However, during the two-decade promotion,
A large number of services are deployed on the public cloud of the carrier to share the heavy load of holidays. Which of the
following
A. Public is the deployment mode of cloud computing?
Cloud
B. Private
Cloud
C. Hybrid
Cloud
Correct Answer: C
D. Social
QUESTION
Cloud 118
Which of the following protocols is used by the mirroring channel between controllers in
Huawei OceanStor V3 storage systems?
A. IB
B. PCI – E
C. FCoE
D. iSCSI

Correct Answer: B

QUESTION 119
The incremental backup data is compared with the data modified after the last full backup.

A. Pair
B. Error

Correct Answer: A

QUESTION 120
Which of the following statements about backup are correct?
Description 1: The disaster recovery solution does not need to be
backed up on tapes or hard disks.
Description 2: The backup plan should take into account the worst
situation.
A. Descriptions 1 and 2 are
correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect.
Description 2 is correct.
D. Descriptions
Correct Answer: 1 and
C 2 are incorrect.

QUESTION 121
Which of the following statements about LUN deduplication of
OceanStor V3 is incorrect?
A. The deduplication function can be used together with SmartCache
to accelerate performance improvement.
B.
C. LUNs of heterogeneous
Deduplication storage
and remote arrayscannot
replication that are taken over support
block-level deduplication.
coexist on the same LUN.
D. When a LUN is selected during LUN creation, the LUN cannot be restored to the state
without deduplication.

Correct Answer: B
QUESTION 122
When the CIFS protocol is used to access a share, when the share name is the same as the user
name, the access sequence is as follows:
A. Query the CIFS share first. If no matched share information is found, query the Homedir
share.
B.
C. Querying
Query the CIFS shares.
Homedir If no
share CIFS
first. If noshare is found,
matched sharea information
failure message is returned.
is found, query the CIFS
share.
D. Query the Homedir share. If no share is found, a failure message is returned.
Correct Answer: C

QUESTION 123
A reliable ICT infrastructure must prevent single points of failure (SPOFs) and even single points of
failure (SPOFs).
A. Pair
B. Error

Correct Answer: A

QUESTION 124
In Huawei OceanStor V3 storage systems, which of the following statements about mapping snapshot
LUNs is correct?
A. The snapshot LUN mapped to the host can only be read
but cannot be written.
B. The activated snapshot LUN can be mapped to the host
for read and write.
C. Snapshot LUNs can only be mapped to the same host as
the original
Correct LUN. B
Answer:
D. All options are described correctly.
QUESTION 125
Based on the DR effect, DR levels are classified into the
following types: (Multiple choices)
A. Data-level DR
B. Platform-level
DR
C. Application-
Level DR
Correct Answer: ACD
D. Service-Level
DR
QUESTION 126
Which of the following statements about the LAN-BASED backup mode
is incorrect?
A. Instruction flows pass through the LAN and data flows do
not pass through the LAN.
B.
C. The backup
Backup Dataagent affects
Is Based on the performance
LAN, Affecting of the
application
Network
D. Backup server. need to be maintained separately, increasing
Performance
services
management and maintenance difficulties.
Correct Answer: A

QUESTION 127
In the LAN-Base networking, service flows and data flows are transmitted over the
LAN, occupying a large bandwidth.
A. Pair
B. Error
Correct Answer: A

QUESTION 128
Tom, an employee of a company, performs the following operations in the storage system: 9:00 has created a snapshot for LUN A
and activated it. 10:00 has a snapshot LUN and a snapshot LUN.
Which
All dataofonthe
thefollowing statements
source LUN is
is modified. The 11:00 rolls back the snapshot.
correct? (Multiple choices)
A. The data in the copy space before COW is written is 9:00 LUN A
data.
B. The data in the copy space before COW is written is 10:00 LUN
A
D.data.
After the snapshot rollback, the data on the source LUN becomes the data of the
C. The data
modified of the source
snapshot LUN on LUN
the is the modified data of the 10:00.
10:00.
Correct Answer: ACD

QUESTION 129
Which of the following technologies is used to implement
conversion between Thick LUN and thin LUNs?
A. Clone
B. LUN
Migration
C. LUN Copy
D. Volume
Mirroring
Correct Answer: A

QUESTION 130
Which of the following statements about the differences between Thick LUN and thin LUNs in a Huawei storage system using the
RAID2.0+ technology is correct?
(Multiple choices)
A. Thick LUN Storage Capacity Allocated
During
B. WhenCreation
a thin LUN is created, the storage capacity is not allocated by default. The storage
capacity is allocated only when data is written to the thin LUN.
C. Thin LUNs are more flexible than Thick LUN and have better performance in large I/O
sequential read/write.
D. Thin LUNs
Correct Answer:make the entire storage space more efficient.
ABD

QUESTION 131
Which of the following are the characteristics of
big data? (Multiple choices)
A. Write Once and Modify
Multiple Times
B. The value of data is
uncertain.
C. Large capacity and fast
growth
Correct Answer: BCD
D. Storage Duration Is Long
QUESTION 132
Which of the following statements about
DAS is incorrect?
A. DAS means that storage devices are directly connected to the server through SCSI
cables
B. DASordata
optical fiber
is still channels.
scattered, and each application has a set of storage devices. Decentralized management
and centralized management
C. If new applications are required due to the direct connection between the server and the storage device, only storage devices can be
configured for the new server,
Repeated
D. The DAS investment
storage space can be fully used. Different application servers can share storage devices, making full use of idle storage
space.
Correct Answer: D
QUESTION 133
In the following backup media, the unit capacity prices are in ascending
order:
A. Tape, CD/DVD, SSD, and virtual tape
library
B. CD/DVD, tape, virtual tape library, SSD
C. Tape, CD/DVD, virtual tape library, SSD
D. CD/DVD, SSD, tape, and virtual tape
library
Correct Answer: C

QUESTION 134
In Huawei OceanStor V3 storage systems, which of the following statements about file-level HyperSnap are correct? (Multiple
choices)
A. Restoring a Single File
B. Restoring Original Files That Have Logical
Errors
C.
D. The
Youoriginal filesthe
can restore that areon
files deleted bysystem
the file mistakewhere the
can be restored.
physical fault occurs.
Correct Answer: ABC

QUESTION 135
In a traditional RAID group, when a certain number of hard disks fail, the entire RAID group prevents data loss and the data
recovery process is not started.
Move, this state is?
A. Normal
B. Downgrade
C. Failure
D.
Reconstructi
on
Correct Answer: B

QUESTION 136
When a disk is read or written, the sector is used as the minimum addressing unit. A segment of data can be written to the first half
of a sector and then to another sector.
A section of data is written into the area.
A. Pair
B. Error

Correct Answer: B

QUESTION 137
Description 1: The file system of the SAN storage device is deployed on the storage device, and
the file system of the NAS storage device is on the host.
Description 2: Dynamic storage tiering (DST) enables data to be migrated between storage media
with different performance.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: C
D. Description 1 Error,
QUESTION
Description 2 138
Error
Which of the following statements about
OceanStor V3 features are incorrect?
A. Clone provides physical full copy and
incremental
B. Clone doescopy.
not support cross-engine LUN clone. The primary and secondary LUNs must be
in the same engine.
C. LUN copy can be implemented in a disk array. Data backup and migration between arrays
(homogeneous and heterogeneous)
D. LUN Copy Supports Incremental LUN Copy and LUN Copy Is
Offline

Correct Answer: D
QUESTION 139
If the intra-city DR center is faulty, the production center in cascading mode will lose all backup sites.

A. Pair
B. Error

Correct Answer: A

QUESTION 140
OceanStor V3 series storage systems support only iSCSI or Fibre Channel host links, but cannot support two host link
networking modes at the same time.
A. Pair
B. Error

Correct Answer: B

QUESTION 141
Which of the following is the correct configuration process of Huawei
OceanStor V3 storage systems?
A. Creating a Storage Pool -> Creating a LUN-
> Adding a Mapping
B. Creating a Storage Pool -> Adding a
Mapping -> Creating a LUN
C. Creating a LUN-> Creating a Storage Pool -
> AddingAnswer:
Correct a Mapping
A
D. Creating a LUN-> Adding a Mapping ->
QUESTION 142 Pool
Creating a Storage
The x86 architecture is a type of data center infrastructure.

A. Pair
B. Error

Correct Answer: A

QUESTION 143
When a disk cannot be accessed, which of the following reconstruction methods is
used to write data to the disk?
A. Full Disk
Reconstruction
B. Partially
Reconstructed
C. Recovery
Reconstruction
Correct Answer: C
D. Local
QUESTION
Reconstruction144
Which of the following mirroring scenarios are used by HyperMirror?
(Multiple choices)
A. Mirror of Two LUNs in the
Storage Array the Mirroring Between the LUNs of the Heterogeneous
B. Implementing
Storage Array and the Local Disk Array by Using the Heterogeneous
Virtualization Function
C. Implementing Mirroring Between Two Heterogeneous LUNs with the
Heterogeneous
Correct Answer:Virtualization
ABC Function
D. The Mirrors of Two LUNs of a Volume Mirror Are Not Under the Same
Controller
QUESTION 145
Backup focuses on data recoverability and disaster recovery focuses on
service continuity.
A. Pair
B. Error

Correct Answer: A

QUESTION 146
In Linux, if a SCSI target is represented as: 2:1:0:3, which of the following statements is correct? (Multiple-choice
question)
A. Device LUN ID: 3
B. The bus ID is 0.
C. Target ID: 3
D. LUN ID: 0

Correct Answer:

QUESTION 147
Which of the following is the advantage of
object storage? (Multiple choices)
A. Object interface, flexibly
splitting data
B.
C. External SCSI or File
Object flattening, easyInterface
access and
expansion
D. Improves Data Integrity and Security
Correct Answer: ACD

QUESTION 148
Which of the following are maintenance items of a data center storage
administrator? (Multiple choices)
A. First Maintenance
Item
B. Weekly Maintenance
Items
C. Daily Maintenance
Items
D. Real-time
Correct Maintenance
Answer: ABC
Items
QUESTION 149
Which of the following statements is
correct? (Multiple choices)
A. OceanStor V3 series supports eight controllers, and the switching planes between controllers are IP-
based
B. Whenscale-out interconnection.
the controller enclosure of OCeanStor 5300 V3 is expanded from two controllers to four controllers, either direct
networking
C. In the OceanStor V3 series, thecan
or switch networking be used.
back-end loops of the same SAS interface card can be connected to common disk enclosures and
high.
Density disk enclosure
D. OceanStor V3 mid-range storage arrays use IP switches to interconnect with each other. PCIe switches are dedicated switches,
which are relatively expensive.
High, mainly used in high-end storage
Correct Answer: ABD

QUESTION 150
Which of the following statements about RAID 1 is
incorrect?
A. RAID 1 writes data to each member disk. The data on each member disk is the
same.
B.
C. RAID 1 uses
Generally, the XOR
RAID algorithm
1 reads fordata
data from verification.
disks and mirror
disks.
D. When data on some member disks is damaged, RAID 1 allows it to quickly recover data from
other member disks.

Correct Answer: B
QUESTION 151
OceanStor 5300 V3 is a dual-controller converged storage product. Ensure that the working controller and owning
controller of the LUN are the same.
A. Pair
B. Error

Correct Answer: B

QUESTION 152
The synchronous remote replication
management module (RM) is software.
A. Pair
B. Error

Correct Answer: A

QUESTION 153
What benefits does the small-scale configuration
technology bring to customers? (Multiple choices)
A. Improve storage resource
utilization
B. Reducing Storage Space
Occupied
D. Reducing by the
DataTCO of the
C. Reducing
Storage the initial purchase
System
cost
Correct Answer: ACD

QUESTION 154
RTO=0 and RPO=0 of the intra-city DR
center.
A. Pair
B. Error

Correct Answer: A

QUESTION 155
Which of the following statements about iSCSI connection
modes are correct?
A. Ethernet adapter +initiator software connection mode does not occupy host
resources.
B. Hardware TOE NIC +initiator software connection mode, reducing host
resource pressure
C. iSCSI HBA card implements TCP/IP protocol conversion and does not
occupy host
Correct resources.
Answer: B
D. TOE NIC converts iSCSI packets to TCP/IP packets.
QUESTION 156
Which of the following statements about the advantages
of Huawei RAID 2.0+ are correct?
A. Data is evenly distributed among disks in the storage pool, preventing uneven hot and cold disks and reducing the overall failure
rate of the
B. The storage system.
performance bottleneck of the target disk (hot spare disk) reconstructed by traditional RAID is overcome. As a result, the
write bandwidth of the reconstructed data stream is no longer a bottle of reconstruction speed.
In
C. this way, thedoes
RAID2.0+ reconstruction speed
not have write is greatly
penalty, whichimproved, the the
overcomes probability of dual-disk
write performance offailure
RAID is reduced,
5 and RAIDand
6 inthetraditional
reliabilityRAID
of the
storage system
technology. is improved.
Impact:
D. Data The
on a LUN
singleperformance is greatly
LUN is distributed to improved.
multiple hard disks, which avoids hard disk hotspots and greatly improves the performance
and capacity of a single LUN.
Improvement
Correct Answer: ABCD

QUESTION 157
Which of the following statements about Huawei RAID 2.0+ are
correct? (Multiple choices)
A. Hot spare space cannot
cross engines.
B. RAID 2.0+ uses an independent hot
spare disk.
C. The chunk size and extent size cannot be adjusted.
D. Reserve a certain number of hot spare space in the disk domain based
on the hot spare policy.
Correct Answer: AD

QUESTION 158
Description 1: The NAS file system is managed by the storage or server
that provides resources.
Description 2: The file system of the SAN is managed by the host.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 Error,
QUESTION
Description 2 159
Error
Which of the following statements about cloud
computing are correct? (Multiple choices)
A. Dynamic Scalability of
Cloud
B. EndComputing
users of cloud computing need to know how cloud
computing is running.
C.
D. Cloud
Cloud Computing
computing is Can Provide
usually Virtual
used Disksystems
in service Space that require high
performance and high response speed.
Correct Answer: ACD

QUESTION 160
The snapshot for backup purposes must be set to read-only to prevent modification by other applications and affect
backup data consistency.
A. Pair
B. Error

Correct Answer: A

QUESTION 161
Which of the following statements about Fibre Channel
switches are correct?
Description 1: One port can belong to multiple zones.
Description 2: A switch can have multiple zones.
A. Description 1 and
Description 2 are both
correct.
B. Description 1 pair,
description 2 error
C. Description
Correct 1 isA
Answer:
incorrect. Two pairs are
QUESTION 162
described.
The cloud data 1center
D. Description and is used for storage. Computing and network resources are virtualized, and a
virtualization platform is provided for users.
Description 2 are incorrect.
A. Pair
B. Error

Correct Answer: A

QUESTION 163
Which of the following statements about DAS advantages
are correct? (Multiple choices)
A. Deployment Is
Simple
B. The initial
investment is large.
C. Low Networking
Complexity
Correct Answer: AC
D. Complex
QUESTION
Configuration164
Which of the following operations must be performed by employee A of a bank during the first
maintenance of the data center storage?
A. Check the installation of the Toolkit. B. Check the installation and configuration of the
eService.
A. AB C. Check the alarm policy configuration.
B. ABC
C. C

Correct Answer: B

QUESTION 165
The amount of incremental backup data is
greater than that of differential backup.
A. Pair
B. Error

Correct Answer: B

QUESTION 166
Which of the following
statements is correct?
A. After six 200 GB hard disks are configured as RAID 5, the
available
B. space is 1200G.
NL SAS/SATA hard disks are suitable for data protection using RAID 6, and SAS hard disks are suitable for data
protection using RAID 5.
C.
D. S2200 V3 supports
OceanStor V3 seriesSSD.SAS.SATA hard disks.
supports RAID 0/RAID 1/RAID 5/RAID 10 and does not support RAID 6.

Correct Answer: B

QUESTION 167
By default, the initial capacity allocation policy of Huawei OceanStor V3 storage
systems is automatic allocation.
A. Pair
B. Error

Correct Answer: A

QUESTION 168
Description 1: ICT infrastructure should be built with high reliability high-end devices. Therefore, no backup needs to be
established.
Description 2: Servers are often used to refer to computers with higher specifications in some enterprises, which usually install
some important software in the enterprise
It isDescription
A. used to run1important services.
and Description
2 are correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
D. Description 1 and
Description 2 are incorrect.

Correct Answer: C
QUESTION 169
A company uses the CIFS protocol to share files. The Homedir sharing mode is used based on security policies to allow all users to
access folders and files.
Write space.
A. Pair
B. Error

Correct Answer: A

QUESTION 170
Which of the following statements about backup are correct?
Description 1: The storage period refers to the time taken for
backup.
Description 2: Incremental backup takes the longest time in three
types of backup.1 and 2 are
A. Descriptions
correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect.
Description 2 is correct.
D. Descriptions
Correct Answer: 1 and
D 2 are incorrect.

QUESTION 171
Which of the following statements about SmartThin LUN is true in Huawei OceanStor V3 storage
systems?
A. When a thin LUN is created, it cannot be allocated to a larger capacity than the available space in the
storage pool where the thin LUN is located.
B.
C. Thin
WhenLUNs Cannot
creating a thinBeLUN,
Changed to Thick
you do LUN
not need to specify
the initial capacity.
D. The types of LUNs in a storage pool must be the same, either thin LUN or Thick LUN.

Correct Answer: C

QUESTION 172
There are two descriptions about backup:
Description 1: At any time, the data backed up on the tape can be used for data restoration, but only the historical data at the backup
time can be restored.
The data is not the data when the fault occurs.
Description 2: Tapes are used as backup media, which is the backup method with the highest RTO.
A. Description 1 is correct, and
Description 2 is right.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect.
Description 2 is correct.
Correct Answer: A
D. Description 1 is incorrect.
QUESTION
Description 2 173
is incorrect.
Which of the following transmission protocols
does not use switches?
A. iSCSI Protocol
B. SCSI protocol
C. FC Protocol
D. FCoE Protocol

Correct Answer: B
QUESTION 174
Which of the following are common DR technologies?
(Multiple choices)
A. host-based DR
B. Network-based DR
C. array-level DR
D. Application-Layer DR

Correct Answer: ABC

QUESTION 175
iSCSI encapsulates SCSI commands and data description blocks into
iSCSI protocols.
A. Pair
B. Error

Correct Answer: A

QUESTION 176
Which of the following is not the advantage of the
SAN storage solution?
A. Users do not need to plan SAN and NAS storage
capacity
B. Users separately.
can freely allocate storage to meet application environment requirements.
C. Users do not need to pay attention to the capacity usage problems related to data blocks
and file storage.
D. Users can buy a set of SAN to implement NAS functions.
Correct Answer: A

QUESTION 177
Which of the following statements is
incorrect? (Multiple choices)
A. Backup Cannot Resolve Data Damage
B. Backup and Recovery of Data Loss
C. Backup Cannot Resolve Historical
Data
D. Backup can take over services directly.
Correct Answer: ACD

QUESTION 178
If a company's services are randomly written to LUNs, which of the following capacity initial allocation policies and data
migration policies are recommended?
A. Automatic allocation: Migration to
theAllocate
B. low performance tier
from the high-performance tier first.
Migration to the low performance tier
C. Allocate from the lower performance tier first:
Migration to the high-performance tier
D. Allocate
Correct from the
Answer: D capacity tier first: Automatic
migration
QUESTION 179
In Huawei storage systems, which of the following statements about the characteristics of
virtual snapshot LUNs are correct?
A. The storage system can generate a snapshot within
several seconds.
B.
C. Snapshot
Complete LUNs Cannot BeisMapped to Hosts
data replication
unnecessary.
D. Querying Data Using the Mapping
Table Answer: ACD
Correct
QUESTION 180
SATA connectors support both SATA and SAS hard
disks.
A. Pair
B. Error

Correct Answer: B

QUESTION 181
Which of the following statements about the new ICT era and
technologies are correct? (Multiple choices)
A. Cloud computing (cloud computing) is an increase in related services based on the Internet. Use and delivery mode, which usually
involves the Internet.
Provides
B. Social dynamic and easy-to-expand
media (social media) is used resources
by people that are often
to create. virtualized.
Share. Communication comments. Virtual Community and
Network Platform for Viewpoints and Experience
C. CPS (Cyber Phsical System) includes ubiquitous environment awareness, embedded computing, network communication, and
network control.
System
D. In theengineering,
new ICT era,which
ICT is calculated
systems by the physical
are migrated system. Communication. Precise control. Remote collaboration and
from support
autonomous functions
systems to production systems.
Correct Answer: ABCD

QUESTION 182
In the banking system, structured data is stored on SAN storage arrays, and unstructured data is stored on NAS storage arrays.

A. Pair
B. Error

Correct Answer: A

QUESTION 183
Description 1: Snapshot data restoration depends on source data. If the source data is physically damaged, the data cannot be restored.
The clone is still in this case.
The source data can be restored.
Description 2: After the source data is damaged, you must copy the backup data to restore the source data. For clone, only the number
of damaged disks needs to be restored.
Therefore,
A. the recovery
Description timeand
1 is correct, is greatly shortened.
Description 2 is right.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect.
Description 2 is correct.
Correct Answer: A
D. Description 1 is incorrect.
QUESTION
Description 2 184
is incorrect.
With the advent of the Big Data era, storage technologies are undergoing transformation. Which of the following statements about
storage technology transformation are correct?
(Multiple choices)
A. The file system is developed from the local file system to the cluster file system and distributed file
system.
B. Traditional NAS is oriented to PB-level data. Complex volume management and unbalanced system
capacity
D. allocation
Large-scale result in
expansion resourceiswaste.
capability a feature of the
C. The massive
massive storage storage
system.system features complex file systems and complex management.
Correct Answer: ABCD

QUESTION 185
The number of erase times of the storage medium cell of the SSD disk is limited. Multiple times of erase and write cause the wear
of the SSD, and the use period of the SSD is limited,
This period is related to the number of erase times.
A. Pair
B. Error

Correct Answer: A

QUESTION 186
What are the functions of UltraPath?
(Multiple choices)
A. Failover
B. Load Balancing of I/O
Traffic
C. Faulty Path Restoration
D. Data Restoration
Correct Answer: ABC

QUESTION 187
The NAS engine is connected to the storage unit through
Ethernet switches.
A. Pair
B. Error

Correct Answer: B

QUESTION 188
What are the challenges faced by traditional data
centers? (Multiple choices)
A. Traditional data centers are monitored but
not managed.
B. Traditional data centers are expanded by
node.
C. The cooling efficiency of traditional data
centers isAnswer:
Correct low. ACD
D. Traditional data center maintenance costs
QUESTION
are high. 189
Which layer is responsible for encoding and
decoding in the FC protocol?
A. FC-0
B. FC-1
C. FC-2
D. FC-3

Correct Answer: B

QUESTION 190
Which of the following statements about
disaster recovery is incorrect?
A. No matter whether the disaster recovery or backup solution is used, data loss cannot be avoided compared with the
data in the case of a system fault.
B.
C. After a disaster
The restored occurs,
data the backup
is expected on the
to meet the current
remote work
device can be accessed immediately.
requirements
D. Traditionalimmediately.
software is used for data backup.

Correct Answer: A

QUESTION 191
Which of the following statements about the advantages and disadvantages of DR technologies at
the host layer, network layer, and array layer are correct? (Multiple choices)
A. For the host layer DR, host layer replication occupies certain host resources and affects the
application system.
B. The initial construction cost of network layer DR is relatively low. Many vendors can provide
solutions.
C. Array layer DR: The storage arrays at both ends must be of the same vendor,
which cannot solve the heterogeneous problem.
D. Host layer DR is implemented on the host, and the compatibility between
underlying devicesAD
Correct Answer: does not need to be considered.

QUESTION 192
In traditional and cloud computing modes, which of the following statements about high reliability and cross-DC disaster
recovery in data centers is incorrect?
A. In traditional mode, the data center uses component redundancy to
achieve highcomputing
B. In cloud reliability.mode, the data center uses component redundancy to
achieve high reliability.
C. In traditional mode, cross-DC DR is mainly used to replicate service data. The recovery process is
complex andcomputing
D. In cloud the recovery period
mode, is long.DR is used to replicate all data in the service data and running environment. The entire
cross-DC
management and restoration process is simple.
Short recovery period
Correct Answer: B

QUESTION 193
About HyperMetro. Hot backup. Warm-up. Which of the following
statements about the four DR modes in cold standby mode is incorrect?
A. The active-active technology enables the active and standby data centers to provide services externally. In normal cases, services in
the two data centers can be distributed based on their weights.
There is no active/standby
B. Thermal node,When
backup technology: whicharesponds to some
data center users. The
fault causes weight to
the service canbebeunavailable,
divided by the
region, service
service capability
can be of the data
automatically
center, or external bandwidth.
switched to the in the specified RTO period.
Standby data center
C. Hot standby services are responded by the active data center. If the service is unavailable due to a data center fault, within the
specified RTO period,
The service
D. The is automatically
biggest switched toisthe
feature of active-active thatstandby data resources
data center center. are not wasted, and data centers bear
application services.
Correct Answer: B

QUESTION 194
The SCSI protocol is the basic protocol for communication between hosts and disks. The SCSI controller performs data operations.
The controller functions as a small CPU and has the following functions:
Your own command set and cache.
A. Pair
B. Error

Correct Answer: A

QUESTION 195
Which of the following SSD disks has the lowest unit capacity?

A. SLC
B. eMLC
C. cMLC
D. TLC

Correct Answer: D

QUESTION 196
The dual-controller storage system generally contains a mirroring channel. Data written to the cache of the storage system is
written to the peer controller through the mirroring channel.
A. Pair
B. Error

Correct Answer: A

QUESTION 197
After logging in to the storage device of the company, employee A of company A has certain control rights. However, the system
time cannot be changed, or the system time cannot be changed.
Manage users. Which of the following roles does employee A have?

A. Super
Administrator
B.
C. Administrator
Common User
D. Read Only
User
Correct Answer: B

QUESTION 198
A company mainly applies to file system sharing in Linux, UNIX, Mac OS, and VMware operating systems. The company is
suitable for use.
Which of the following file access protocols is used?
A. NFS
B. CIFS
C. Telnet
D. HTTP

Correct Answer: A

QUESTION 199
Which three data centers are used in the DR solution?
(Multiple choices)
A. Production
Center
B. DR center in the
same city
C. Remote Disaster
Recovery Center
D. Data Center
Correct Answer: ABC

QUESTION 200
Which of the following statements about NAS are
correct?
Description 1: NAS is always based on file sharing.
Description 2: The network connection distance
affects the NAS1performance.
A. Description and Description
2 are correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 and Description
QUESTION
2 are incorrect.201
Which of the following is a common measure to measure the reliability
of a system? (Multiple choices)
A. Reliability
B. Efficiency
C. Average Expiration
Time
D. Mean Time Between
Failures
Correct Answer: CD

QUESTION 202
Remote replication requires that the primary and
secondary storage devices be from the same
vendor.
A. Pair
B. Error
Correct Answer: A

QUESTION 203
What are the application scenarios of the SAN
solution? (Multiple choices)
A. Data Sharing
B. Storage
Sharing
C. Data Backup
D. Disaster
Correct
RecoveryAnswer: ABCD

QUESTION 204
In Huawei RAID 2.0+, if the hot spare policy of a storage tier is low, the capacity description of the hot spare space reserved for this
layer is incorrect.
Which of the following is incorrect?
A. If the total number of hard disks at this layer is 10, reserve the
capacity of one hard disk.
B. If the total number of hard disks at this layer is 12, reserve the
capacity of one hard disk.
C. If the total number of hard disks at this layer is 20, reserve the
capacity
Correct of two hard
Answer: C disks.
D. If the total number of hard disks at this layer is 48, reserve the
QUESTION
capacity of two 205
hard disks.
Which of the following statements about the RAID technology
are correct? (Multiple choices)
A. Not every RAID technology can improve write
performance.
B. In RAID 0, multiple disks are accessed concurrently (concurrent access), accelerating data
access performance.
C. The current RAID technology uses the parity check mechanism to protect data.
D. The performance of all RAID levels increases linearly as the number of member disks
increases.Answer: AB
Correct

QUESTION 206
SCSI communication is initiated by the initiator and received and processed by the target. When the host communicates with the
storage device, the storage device side takes the angle of the initiator.
Color.
A. Pair
B. Error

Correct Answer: B

QUESTION 207
When does the data become
information?
A. When it is stored in the correct file format
B. When the data is stored in the form of
digits
C. When an enterprise understands the meaning of data and extracts the
required content from the data
D. When the data is verified, it is correct.
Correct Answer: C

QUESTION 208
If UltraPath has been installed on the application server, the operating system can automatically identify LUNs mapped to the
host without restarting the host.
A. Pair
B. Error

Correct Answer: A

QUESTION 209
Which of the following statements about the relationship
between the FC protocol and the SCSI protocol is incorrect?
A. FC can transmit SCSI instructions, data, and status information units by building frames.
B. The FC or iSCSI protocol is used to carry the SCSI protocol and is an extension of the
SCSI protocol.
C. SCSI is the upper-layer protocol of FC4, and SCSI is a subset of the FC protocol.
D. FC is an alternative to SCSI.
Correct Answer: D

QUESTION 210
A government company uses Huawei two-site three-center solution for disaster recovery construction. Services are mainly from
8:00 to 18:00. The following operations are incorrect:
Yes?
A. Synchronous remote replication must be used in the
production center and remote
B. Data synchronization DR the
between center.
production center and the disaster recovery center should be performed at night
when the traffic is light.
C. During remote replication, a consistency group must be created based on the service of the unit. Associated
services are placed in the same group.
D. The BCManager
Correct Answer: Asoftware can be used to set the data synchronization period.

QUESTION 211
Based on the physical locations of NAS engines and storage devices, NAS
is classified into the following types: (Multiple choices)
A. Internal NAS
B. External NAS
C. Unified NAS
D. Gateway NAS

Correct Answer: CD

QUESTION 212
In RAID 2.0+, the administrator needs to manually set which hard disks are used as
hot spare disks.
A. Pair
B. Error

Correct Answer: B

QUESTION 213
Which of the following statements about the differences
between DAS and SAN is incorrect?
A. SAN redundancy networking provides higher
reliability.
B. DAS and SAN are external storage devices. Therefore, storage resources can
be shared easily.
C.
D. DAS
SAN applies
applies to
to small- and and
mid-range medium-sized LANs application
high-end storage with only a environments,
few servers. such as key databases, centralized storage, large-scale
storage, backup, and disaster recovery.
Correct Answer: B

QUESTION 214
Which of the following statements about the steps of asynchronous remote replication at multiple time
points are correct?
(1). In each replication period, a new time slice (T2, P2) is generated in a cache of the primary LUN and
the secondary LUN.
(2). The newly written data of the host is buffered in the time slice T2 of the active LUN Cache, and is
responded to the host
(3). The primary and secondary LUNs separately store the received data.
(4). Replicate data of the time slice T1 directly to the secondary LUN and write the data into
the time slice P2 of the secondary LUN
A. (1) (2) (3) (4)
B. (1) (3) (2) (4)
C. (1) (2) (4) (3)
D. (2) (1) (4) (3)

Correct Answer: C

QUESTION 215
Description 1: A LUN consists of multiple extents in a
storage pool.
Description 2: A LUN can contain one or more extents.
A. Description 1 is correct and
description 2 is correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
Correct Answer: A
D. Description 1 Error,
QUESTION
Description 2 216
Error
Which of the following statements about the coffer disks of Huawei OceanStor storage system is
correct? (Multiple choices)
A. When a device is powered off, coffer disks store data in the cache to prevent
data loss.
B. When a power failure occurs, the BBU supplies power to the cache and coffer
disks.
D. Only the first two disks in a controller cabinet are
C. Coffer
used disks disks.
for coffer cannot be used to store user data.
Correct Answer: AB

QUESTION 217
In Huawei OceanStor storage devices, coffer disks are optional, because the write cache is mirrored and a standby power supply is
available for the controller.
Power supply
A. Pair
B. Error

Correct Answer: B

QUESTION 218
The QoS of the file system supports I/O priority configuration and
policy configuration.
A. Pair
B. Error

Correct Answer: A

QUESTION 219
In a DR application, the HyperMirror function (data remote replication) can be performed only between two OceanStor
5300 V3 nodes.
The OceanStor 5500 V3 is connected to the OceanStor 5300 V3.
A. Pair
B. Error

Correct Answer: B

QUESTION 220
In the RHEL 5 operating system, which of the following commands is used to mount the sdb5 device in the dev
directory to the sdb5 directory in the mnt directory?
A. cat /dev/sdb5 /mmt/sdb5
B. ln /dev/sdb5 /mnt/sdb5
C. mount /dev/sdb5 /mnt/sdb5
D. df /dev/sdb5 mnt/sdb5

Correct Answer: C

QUESTION 221
Distributed object storage has a unified namespace and supports
online capacity expansion.
A. Pair
B. Error

Correct Answer: A

QUESTION 222
The FCoE protocol encapsulates the FC protocol into the TCP/IP protocol package and
transmits the packets over the Ethernet.
A. Pair
B. Error

Correct Answer: B

QUESTION 223
For a system with high service continuity, the RPO and RTO must have the following
characteristics:
A. The RPO is high and the
RTO is low.
B. RPO is low and RTO is
high.
C. Low RPO and RTO
D. High RPO
Correct and RTO
Answer: C

QUESTION 224
Huawei focuses on IT infrastructure in the
ICT field.
A. Pair
B. Error

Correct Answer: A

QUESTION 225
Which of the following statements about chunck and extent are correct in
Huawei RAID 2.0+?
A. chunck is the minimum unit for the LUN to apply for space from the
storage pool.
B.
C. extent
chunckisisthe
theminimum
minimumunit
unitfor
of allocating resources
hotspot data statisticsfrom
and amigration
disk domain
(data migration
to a storage pool.
granularity).
D. The extent sizes of different storage pools can be different, but the extents in the same storage
pool are of
Correct the same
Answer: D size.

QUESTION 226
Which of the following statements about Huawei OceanStor V3 dynamic storage tiering
technology is incorrect?
A. SmartTier calculates and analyzes the activity level of data to determine the
activity level of
B. SmartTier data.
automatically and dynamically moves data to different storage media based on data activity levels.
C. SmartTier Data Migration Policy
D. Data statistics, analysis, and data migration of SmartTier affect service continuity and data
availability.
Correct Answer: D

QUESTION 227
Description 1: The CIFS share provided by a storage system of a company is a public directory. All users with the
permission can access the CIFS share.
Description 2: A company's storage system allows different users to access private directories with the same user name by
setting the Homedir
A. Description share. and
1 is correct,
description 2 is incorrect.
B. Description 1 Error,
Description 2 Error
C. Description 1 is correct and
description 2 is correct.
Correct Answer: C
D. Description 1 is incorrect, and
QUESTION 228
description 2 is correct.
Backup is to copy and save data or systems. Once an error or disaster occurs, the backup can be used to restore system data and
restore services.
The is running properly.
A. Pair
B. Error

Correct Answer: A

QUESTION 229
Which three phases do storage systems require to implement SmartTier?
(Multiple choices)
A. Initial Capacity
Allocation
B. Data Arrangement
Analysis
D. I/O
C. Data Migration
Monitoring
Correct Answer: BCD

QUESTION 230
Incremental backup can be performed only after the last full backup and the last incremental backup.
Data reconstruction is slower than full backup, and the restoration window is larger.

A. Pair
B. Error

Correct Answer: A

QUESTION 231
Which of the following statements about common
ICT components are correct?
A. Common ICT components include hosts, storage arrays,
switches, and networks.
B. Hosts are also called servers, which refer to computers with high
specifications in also
D. Switches are somecalled
enterprises.
switching hubs. They work on Layer
3C.networks.
The storage array generally refers to a device that provides data
storage.
Correct Answer: ABC

QUESTION 232
An enterprise needs to purchase backup media for data backup, inherit the original tape backup architecture and policies of the
enterprise, and improve the backup speed. Enterprise
Which of the following backup media is purchased?
A. Disk Array
B. Virtual tape
library
C.
D. Tape Library
CD-ROM
Tower
Correct Answer: B

QUESTION 233
Which of the following statements about
DAS is incorrect?
A. DAS is directly connected to the specified storage device on the server
that uses them.
B.
C. DAS is classified
Hard Disks in the into internal
Server DAS
Are Not and external DAS.
DAS
D. The external DAS can be connected to the server that accesses the external DAS
through the FC protocol or SCSI protocol.
Correct Answer: C

QUESTION 234
The RTO in a disaster recovery system refers to the time point to which the system and data must be restored
after a disaster occurs.
A. Pair
B. Error

Correct Answer: B

QUESTION 235
Which of the following statements are correct?
Description 1: The maintenance cost of a traditional PC is
usually lower than that of a desktop cloud.
Description 2: In cloud computing, data is centrally stored
andDescription
A. managed. 1 and 2
are correct.
B. Description 1 is correct, and
description 2 is incorrect.
C. Description 1 is incorrect, and
description 2 is correct.
D. Descriptions
Correct Answer: 1 and
C 2 are
incorrect.
QUESTION 236
What are the versions of the NFS
protocol? (Multiple choices)
A. NFS V1
B. NFS V2
C. NFS V3
D. NFS V4

Correct Answer: ABCD

QUESTION 237
For the data stored on the media, there is no need to physically crush or destroy the data that is recorded on the paper.

A. Pair
B. Error

Correct Answer: B

QUESTION 238
Which of the following statements about file access protocols
are correct? (Multiple choices)
A. The CIFS protocol is used in the Linux and
UNIX
B. The environments.
NFS protocol is used in the
Windows environment.
C. CIFS .NFS and FTP work in C/S architecture.
D. The HTTP protocol works in the B/S architecture.

Correct Answer: CD

QUESTION 239
Create a thin LUN on Huawei OceanStor V3. The capacity of the thin LUN is 100 GB and the initial capacity is 10 GB. Then,
map the LUN to the
After the Windows 2012 host is installed, the disk space displayed on the host is 10 GB.
A. Pair
B. Error

Correct Answer: B

QUESTION 240
FTP is a secure protocol and does not have security risks.

A. Pair
B. Error

Correct Answer: B

QUESTION 241
If the RTO is within 10 minutes, the traditional tape backup mode is not
recommended.
A. Pair
B. Error

Correct Answer: A

QUESTION 242
When the RPO time is in minutes, the traditional tape backup mode can be used.

A. Pair
B. Error

Correct Answer: B

QUESTION 243
Which of the following statements about RAID 10 are
correct? (Multiple choices)
A. RAID 10 is applicable to scenarios with high speed and fault
tolerance requirements.
B.
C. RAID
In RAID10 10,
requires
if twoatmember
least four member
disks disks. fail, data read is normal.
in a subgroup
D. In RAID 10, data is first mirrored and then striped.

Correct Answer: ABD

QUESTION 244
Which ports on an FC switch can communicate with each other
depends on the zone.
A. Pair
B. Error

Correct Answer: A
QUESTION 245
A device has only one WWNN but multiple WWPNs.

A. Pair
B. Error

Correct Answer: A

QUESTION 246
Which of the following are characteristics of the clustered NAS
storage architecture? (Multiple choices)
A. Unified namespace and global
sharing
B. High performance, concurrent I/O
of
D. multiple
Providesarrays
block-level
C. Online Capacity Expansion
storage.
Correct Answer: ABC

QUESTION 247
Deduplication and compression can be
enabled only for thin LUNs.
A. Pair
B. Error

Correct Answer: A

QUESTION 248
Which of the following RAID levels has the lowest
disk space utilization?
A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5

Correct Answer: B

QUESTION 249
Which of the following operating systems can access a CIFS share without
software installation?
A. Windows
7B. Solaris
C. FreeBSD
D. AIX

Correct Answer: A

QUESTION 250
Which of the following statements are correct?
Description 1: Synchronous remote replication: When the primary storage array is
faulty, the data loss amount can be 0.
Description 2: If the host is a Linux-based file system, asynchronous remote
replication must1 be
A. Description andused.
Description
2 are both correct.
B.
C. Description
Description 11 pair,
is description
2 error
incorrect. Two pairs
D. Description 1 andare
Description
described.
2 are incorrect.
Correct Answer: B

QUESTION 251
Which of the following is not an IP
SAN component?
A. Storage Devices with iSCSI
Interfaces
B.
C. Twisted
NIC Pair Cable
D. FC switch

Correct Answer: D

QUESTION 252
DAS is a storage architecture that does not
have scalability.
A. Pair
B. Error

Correct Answer: A

QUESTION 253
Which of the following is the correct
1. Query all
sequence of CKGs that
full-disk have CKs on the faulty disk.
reconstruction?
2.: Allocate hot spare CKs for all CKGs.
3. Update CKG information and release the reconstructed CK
4. Write the reconstructed data to the hot spare CK.
5. Use the RAID algorithm to calculate the data on the faulty disk based on the data on the
normal disk and parity disk.
A. 1->2->5->4->3
B. 1->2->3->5->4
C. 5->1->2->3->4
D. 5->2->1->4->3

Correct Answer: A

QUESTION 254
From the perspective of the cloud computing business model,
Huawei web disk belongs to PaaS.
A. Pair
B. Error

Correct Answer: B