Oracle

1Z0-1124-24 Exam
Oracle Cloud

Questions & Answers

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Question: 1

You are tasked with setting up a highly available Virtual Cloud Network (VCN) with three availability
domains (ADs). Which statement accurately describes the subnet design for this scenario?

A. Each subnet must span all three ADs.

B. Subnets can span multiple ADs but must belong to the same VCN.
C. Subnets must be restricted to a single AD.
D. Subnets must span only two ADs.
Answer: C
Explanation:

Subnets in OCI are region-specific but cannot span across multiple availability domains. Each subnet is
restricted to a single AD for high availability.

Question: 2

What is a primary use case for deploying a Regional Subnet in OCI?

A. To provide high availability and fault tolerance across multiple availability domains.
B. To restrict communication within a single availability domain.
C. To enforce security rules at the region level.
D. To limit network traffic to a specific geographic region.
Answer: A
Explanation:

A regional subnet can provide high availability and fault tolerance across multiple ADs, as it is not tied to
a single AD, ensuring resiliency in case one AD fails.

Question: 3

You need to connect your on-premises network to OCI securely using a Virtual Cloud Network. Which
gateway should you configure to establish an encrypted IPsec VPN connection?

A. NAT Gateway
B. Internet Gateway
C. Dynamic Routing Gateway (DRG)
D. Local Peering Gateway
Answer: C
Explanation:

A Dynamic Routing Gateway (DRG) allows encrypted connections between on-premises data centers
and the VCN via an IPsec VPN connection or FastConnect.

Question: 4

Which of the following are true about OCI Virtual Cloud Network characteristics? (Choose two.)

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A. Each VCN can have multiple subnets, both public and private.
B. A VCN's CIDR block must be within the range of 10.0.0.0/16.
C. Subnets within a VCN can span across multiple ADs.
D. VCNs are globally distributed, independent of regions.
Answer: A, C
Explanation:

Each VCN can have multiple subnets (public and private). Subnets within a VCN can span multiple
availability domains within a region.

Question: 5

Which of the following is a requirement for a public subnet in OCI?

A. The subnet must be within a CIDR block larger than /24.

B. The subnet requires an attached Internet Gateway for public traffic.
C. The subnet must not use reserved IP ranges.
D. The subnet must span across multiple availability domains.
Answer: B
Explanation:

Public subnets require an Internet Gateway for public-facing services to send and receive internet traffic.

Question: 6

Which of the following are advantages of using IPv6 in OCI? (Choose two.)

A. Larger address space than IPv4

B. Increased security compared to IPv4
C. Automatic encryption of traffic
D. Simpler subnet configuration
Answer: A, B
Explanation:

IPv6 provides a much larger address space and includes built-in security features such as IPsec, which
is optional in IPv4.

Question: 7

Which OCI service should you use to control and manage your DNS traffic across different OCI regions?

A. Load Balancer
B. Dynamic Routing Gateway
C. Traffic Steering Policies
D. Local Peering Gateway
Answer: C
Explanation:

Traffic Steering Policies in OCI's DNS service allow you to control and manage DNS traffic, directing it to

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the most appropriate endpoints across different regions.

Question: 8

What is the primary role of the OCI IP Address Management (IPAM) service?

A. To route traffic between VCNs and on-premises networks.

B. To manage DNS records across multiple regions.
C. To centrally manage IP addresses across OCI resources.
D. To configure NAT gateways for public subnet traffic.
Answer: C
Explanation:

IPAM enables centralized management of IP address allocation and tracking across different OCI
resources, subnets, and VCNs.

Question: 9

Which DNS steering policy in OCI directs user requests to endpoints based on server health checks?

A. Latency Steering
B. Weighted Steering
C. Health-Based Steering
D. Geolocation Steering
Answer: C
Explanation:

Health-Based Steering directs DNS traffic to healthy endpoints, based on real-time health checks,
ensuring users are directed to functioning servers.

Question: 10

Which two components are required when establishing an IPsec VPN connection between your on-
premises data center and OCI VCN using a Dynamic Routing Gateway (DRG)? (Choose two.)

A. Customer-Premises Equipment (CPE)

B. Local Peering Gateway
C. Service Gateway
D. IPsec Tunnel
Answer: A, D
Explanation:

To establish an IPsec VPN connection between your on-premises data center and OCI VCN, you need
CPE to terminate the VPN on the on-premises side and an IPsec tunnel for secure traffic routing.

Question: 11

Which component of OCI is responsible for enabling traffic routing between your on-premises network

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and OCI VCN using FastConnect or VPN?

A. Service Gateway
B. Local Peering Gateway
C. Internet Gateway
D. Dynamic Routing Gateway (DRG)
Answer: D
Explanation:

The Dynamic Routing Gateway (DRG) enables traffic routing between your on-premises network and an
OCI Virtual Cloud Network (VCN) using FastConnect or an IPsec VPN.

Question: 12

You are configuring a FastConnect connection between your on-premises network and OCI. Which
routing protocol is used to dynamically share routing information between OCI and your on-premises
routers?

A. RIP
B. OSPF
C. EIGRP
D. BGP
Answer: D
Explanation:

BGP (Border Gateway Protocol) is the routing protocol used to dynamically share routing information
between OCI and your on-premises network routers when using FastConnect.

Question: 13

In a hybrid network architecture, how does BGP improve the failover process between an IPsec VPN
and FastConnect?

A. BGP provides automatic route updates to ensure failover between the two connections.
B. BGP encrypts traffic between the VPN and FastConnect.
C. BGP limits traffic to one connection at a time.
D. BGP is not used in failover scenarios.
Answer: A
Explanation:

BGP dynamically updates route tables, allowing automatic failover between an IPsec VPN and
FastConnect when one connection becomes unavailable, ensuring high availability and resilience.

Question: 14

Which two routing protocols can be used with OCI FastConnect to enable dynamic routing between on-
premises networks and OCI? (Choose two.)

A. OSPF

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B. BGP
C. EIGRP
D. RIP
Answer: A, B
Explanation:

BGP is the primary protocol used for dynamic routing with OCI FastConnect, but in certain scenarios,
OSPF may be used for dynamic routing in conjunction with FastConnect.

Question: 15

Which OCI service would you use to establish a private, high-speed connection between your OCI VCN
and another cloud provider, bypassing the public internet?

A. Internet Gateway
B. Dynamic Routing Gateway
C. FastConnect with third-party provider integration
D. Local Peering Gateway
Answer: C
Explanation:

FastConnect with third-party provider integration allows you to establish a private, high-speed connection
between OCI and another cloud provider, bypassing the public internet.

Question: 16

Which component is required to implement transitive routing between VCNs across OCI regions?

A. Internet Gateway
B. Local Peering Gateway
C. Remote Peering Connection
D. Service Gateway
Answer: C
Explanation:

The Remote Peering Connection (RPC) is used to establish transitive routing between VCNs across
different OCI regions.

Question: 17

Which of the following OCI services provides secure, web-based access to OCI resources using a
command-line interface without requiring local installations?

A. CloudShell
B. Bastion Service
C. Service Gateway
D. Dynamic Routing Gateway
Answer: A
Explanation:

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OCI CloudShell provides secure, web-based access to OCI resources using a command-line interface,
allowing administrators to manage resources without requiring local installations.

Question: 18

In a multi-tier architecture, what is the function of a WAF when protecting a web application hosted in
OCI?

A. Balancing traffic between multiple application servers

B. Monitoring outbound traffic from the VCN
C. Inspecting incoming web traffic for malicious activity
D. Managing security groups and firewalls
Answer: C
Explanation:

The Web Application Firewall (WAF) inspects incoming web traffic for malicious activity, such as SQL
injection or cross-site scripting (XSS), protecting the web application.

Question: 19

Which service in OCI provides secure, temporary SSH access to instances in a private subnet without
the need for a public IP address?

A. CloudShell
B. Service Gateway
C. Internet Gateway
D. Bastion Service
Answer: D
Explanation:

The Bastion Service provides secure, temporary SSH access to instances in a private subnet without the
need for a public IP address.

Question: 20

In a scenario where you are migrating workloads from an on-premises data center to OCI, which
connectivity option would you choose if you require encryption over the internet?

A. Internet Gateway
B. NAT Gateway
C. IPsec VPN
D. Dynamic Routing Gateway
Answer: C
Explanation:

IPsec VPN provides encrypted communication over the public internet, making it suitable for securely
migrating workloads from an on-premises data center to OCI.

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Question: 21

You are troubleshooting network performance issues in OCI. Which tool provides insights into latency,
packet loss, and throughput between OCI and your on-premises data center?

A. VPN Tunnel Logs

B. Dynamic Routing Gateway Logs
C. OCI Audit Logs
D. Network Monitoring
Answer: D
Explanation:

OCI Network Monitoring provides detailed insights into network performance metrics such as latency,
packet loss, and throughput, helping troubleshoot performance issues between OCI and an on-premises
data center.

Question: 22

Which logging tool would you use to diagnose issues related to incorrect routing between subnets within
a VCN in OCI?

A. Flow Logs
B. Audit Logs
C. VPN Tunnel Logs
D. Service Gateway Logs
Answer: A
Explanation:

Flow Logs capture and record the network traffic flows between subnets within a VCN, making them a
key tool for diagnosing routing issues.

Question: 23

A user reports that they are unable to connect to an instance in OCI via SSH. Which configuration should
be checked first to resolve this issue?

A. Route Table Configurations

B. Internet Gateway Logs
C. VPN Tunnel Logs
D. Security List Rules
Answer: D
Explanation:

Security List Rules should be checked to ensure that the appropriate ports (such as port 22 for SSH) are
open and allowed to the instance.

Question: 24

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You are diagnosing intermittent connectivity issues between OCI and your on-premises data center over
an IPsec VPN. Which log should you check to troubleshoot the connection stability?

A. Security List Logs

B. Flow Logs
C. VPN Tunnel Logs
D. Route Table Logs
Answer: C
Explanation:

VPN Tunnel Logs provide detailed information about the health and stability of an IPsec VPN
connection, making them the key log to check for intermittent connectivity issues.

Question: 25

You are troubleshooting network latency issues between your on-premises environment and OCI over
FastConnect. Which OCI service provides the necessary metrics to analyze this issue?

A. Flow Logs
B. Network Monitoring
C. VPN Tunnel Logs
D. Security List Logs
Answer: B
Explanation:

Network Monitoring provides metrics such as latency and throughput, making it the best tool for
analyzing network performance issues over FastConnect.

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