5G Network – Unit 2_Question Banks

Part A
1 .5G was introduced in which year?
A) July 2015
B) July 2016
C) July 2017
D) July 2018
Correct Answer : Option (B) : July 2016

2 .Which country launched the world's first fully-fledged 5G mobile networks in April 2019?
A) China
B) Japan
C) South Korea
D) Singapore
Correct Answer : Option (C) : South Korea

3 .The G in 5G stands for?

A) Gigabit
B) Gigahertz
C) Good to Go
D) Generation
Correct Answer : Option (D) : Generation

4 . 5G is the fifth generation technology standard for________

A) Laptops
B) Televisions
C) Broadband cellular networks
D) None of the Above
Correct Answer : Option (C) : Broadband cellular networks

5 . In 5G NR, the NR stands for?

A) New Radio
B) Not Right
C) New Reach
D) Never Ready
Correct Answer : Option (A) : New Radio

6 . 1G brought us the very first cell phones.

A) True
B) False
Correct Answer : Option (A) : True

7 . 5G was developed by______

A) IBM
B) 3GPP's
C) TRAI
D) Google
Correct Answer : Option (B) : 3GPP's

8 . Which of the following are some basic network requirements for 5G, as specified by the
3rd Generation Partnership Project (3GPP)?
A) Priority, policy, policy control and QoS
B) Network slice selection function, network repository function, user plane function and
policy control function
C) Efficient signaling, fixed mobile convergence, enhanced mobility management and
network capability exposure
D) Network slicing, efficiency, diverse mobility management and connectivity models
Correct Answer : Option (D) : Network slicing, efficiency, diverse mobility
management and connectivity models

9 .The process of 5G tunneling enables subscriber access through multiaccess networks in

seamless, integrated fashion.
A) True
B) False
Correct Answer : Option (B) : False

10 .What is the definition of QoS?

A) The process by which network resources are controlled to implement a given policy for a
given user
B) A set of rules specifying the user plane services and functions available to a particular user,
supplied by the network
C) A value assigned to specific packets transmitted to/from a user that determines the relative
importance of transmitting those packets during the upcoming opportunity to use the medium
D) The measurable end-to-end performance properties of a network service, which can be
guaranteed in advance by a service-level agreement (SLA) between a user and a service
provider
Correct Answer : Option (D) :
11.Which of the following are some common functions used to provide QoS in the data plane?
A) Flow bit rates, aggregate bit rates, notification control and default values
B) Resource type, priority level, packet error rate and maximum data burst volume
C) Traffic classification, packet marking, traffic shaping and congestion avoidance
D) Session management function, user plane function, policy control function and network
repository function
Correct Answer : Option (C) : Traffic classification, packet marking, traffic shaping
and congestion avoidance

12. Which of the following are ways in which a subscriber can be identified in 5G?
A) Permanent Identity
B) Concealed Identity
C) Temporary Identity
D) Hidden Identity
Correct Answer : Option (A) : Permanent Identity

13. 5G will offer latency of one millisecond or lower. What does latency refer to?
A) The delay between an input and a desired outcome
B) The time it takes to reboot a connection
C) The speed of detecting a disruption to the network
D) The length of time devices will automatically connect to the network
Correct Answer : Option (A) : The delay between an input and a desired outcome

14. 2G allowed us to text for the first time.

A) True
B) False
C) None of the Above
D) --
Correct Answer : Option (A) : True

15. 3G brought us online.

A) True
B) False
C) None of the Above
D) --
Correct Answer : Option (A) : True

16. 5G is entirely safe and poses no health or safety concerns.

A) True
B) False
C) None of the Above
D) --
Correct Answer : Option (B) : False

17. Which is a common function used to provide QoS in the management plane?
A) SLA
B) Policy
C) Traffic restoration
D) All of the above
Correct Answer : Option (D) : All of the above

18.O FDM stands for_____

A) Orthogonal frequency-division multiple
B) Original frequency-division multiplexing
C) Orthogonal frequency-division multiplexing
D) None of the Above
Correct Answer : Option (C) : Orthogonal frequency-division multiplexing
19. To accommodate faster data transmission speeds, 5G has greater bandwidth. What other
term is synonymous with bandwidth?
A) Speed
B) Capacity
C) Strength
D) Connection
Correct Answer : Option (B) : Capacity
20. Network slicing is a network management feature that 5G will allow. What does this
mean users can have?

A) The ability to create multiple virtual networks within a single 5G network

B) The ability to utilize connections from other nearby networks
C) The ability to designate multiple passwords for one 5G network
D) The ability to set up multiple connection points to one 5G network
Correct Answer : Option (A) : The ability to create multiple virtual networks within a
single 5G network

21. To generate high speeds, 5G utilizes the band of spectrum between 30 GHz and 300 GHz.
What is this band of spectrum called?
A) Millimeter wave
B) Real-time spectrum
C) Radio-frequency band
D) Lower-frequency spectrum
Correct Answer : Option (A) : Millimeter wave

22. What does IOT stand for in terms of 5G technology?

A) Institute of Technology
B) Interstate of Transportation
C) International Operations Tech
D) Internet of Things
Correct Answer : Option (D) : Internet of Things

23. 5G technology uses millimeter waves.

A) True
B) False
C) None of the above
D) --
Correct Answer : Option (A) : True

24. What is the difference between QoS parameters and characteristics?

A) QoS parameters are variables that are typically the same for a wide variety of instances of
an application. QoS characteristics define the requirements associated with a QoS flow.
B) QoS parameters are more relevant to dynamic decisions made during the operation of the
QoS flow, such as using the priority level as a tiebreaker when two flows compete for
resources. QoS characteristics are used at configuration time to determine the network
resources needed for creating network slices.
C) QoS parameters are used at configuration time to determine the network resources needed
for creating network slices. QoS characteritics are more relevant to dynamic decisions made
during the operation of the QoS flow, such as using the priority level as a tiebreaker when
two flows compete for resources.
D) None of the Above
Correct Answer : Option (C) :

25. 5G will rely on compact, portable base stations that involve minimal power and can be
placed in large quantities throughout geographical areas. What are these called?
A) Miniature cells
B) Small cells
C) Frequent cells
D) Short-range cells
Correct Answer : Option (B) : Small cells

26. A single 5G base station has the ability to send and receive signals from over 22 times the
amount of users, meaning it has massive MIMO. What does MIMO stand for?
A) Multiple in multiple out
B) Multiple input multiple output
C) Message in message out
D) Message input message output
Correct Answer : Option (B) : Multiple input multiple output

27. During the testing phase, 5G broke records of spectrum efficiency. What does spectrum
efficiency measure?
A) How many users can connect to one network
B) How many connections can run securely at once
C) How many base stations can communicate over one spectrum
D) How many bits of data can be transmitted to a certain number of users per second
Correct Answer : Option (D) : How many bits of data can be transmitted to a certain
number of users per second

28. Which is an operational requirement for network slicing, as specified by 3GPP?

A) Operators must apply all the requirements to their allocated network resources.
B) IP Multimedia Subsystem needs to be supported independent of network slices.
C) Support is needed to provide connectivity to home and roaming users in the same network
slice.
D) Creation, modification and deletion of a network slice should have no or minimal impact
on traffic and services in other network slices in the same network.
Correct Answer : Option (D) :
29. 5G transceivers will incorporate full-duplex technology for data transmission to double
the capacity of wireless networks. What does full-duplex mean?
A) The ability to transmit and receive data at the same time and frequency
B) The ability to become compatible with all types of IoT devices
C) The ability to utilize the full capacity of transmission at all times
D) The ability to incorporate twice the number of transceivers into one base station
Correct Answer : Option (A) : The ability to transmit and receive data at the same
time and frequency

30. Spectrum efficiency and MIMO rely on a system called beamforming. What does this
term refer to?
A) A connectivity system that identifies the closest base station for each user
B) A connectivity system that caps the number of users utilizing the network at once
C) A traffic-signaling system that identifies the route of least interference to deliver data to a
user
D) A traffic-signaling system that breaks down data into smaller packets for transport
Correct Answer : Option (C) : A traffic-signaling system that identifies the route of
least interference to deliver data to a user

31. Millimeter waves cannot travel well through buildings or obstacles.

A)
True
B)
False
C)
None of the Above
D)
--
Correct Answer : Option (A) : True

32. 5G utilizes a technology called beamforming.

A)
True
B)
False
C)
None of the Above
D)
--
Correct Answer : Option (A) : True

33. 5G Technology will allow for the introduction of _____

A)
Self-driving cars
B)
Faster internet speeds
C)
Smart homes (internet of things)
D)
All of the Above
Correct Answer : Option (D) : All of the Above

34. A parent returns home for the evening and uses different smart devices to help the
children with homework, turn on the oven ,run the robot vacuum cleaner, and turn on
the home security system for the night. what allows the parent to perform all of
these easily?

1. Massive MIMO
2. blockchain
3. Enterprise platforms
4. Internet of things
5. I don’t know this yet
Answe: Internet of things

35.Edge computing is often referred to as a “topology.” What does this term describe?

1. where the different parts of an application are located

2. a set of programming languages used to develop an application
3. how much processing power an application consumes
4. a synonym that can be used interchangeably with “technology”
Answer: where the different parts of an application are located

36.How does edge computing reduce latency for end users?

1. by placing the computing resources closer to the users

2. by limiting application access to one user at a time
3. by increasing the size of the company’s central datacenter
4. by migrating applications from one cloud provider to another
Answer: by placing the computing resources closer to the users

37.A global clothing company is looking to create a more immersive shopping experience for
customers. What is a way the company can utilize edge computing to help the store achieve
this goal?

1. setting up an online payment system to increase the spood of check out at the store
2. using sensors to track a customer’s browsing habits and create a virtual drossing room
3. installing digital cordes on items that can be scanned by customers for more detail
4. analying a customer’s par purchase and offend clomizerbrecommendations
Answer: using sensors to track a customer’s browsing habits and create a virtual drossing
room
38.What is a reason for users and businesses to adopt 5G networks?

1.The 5G infrastructure is less complex than previous generations, so the rollout will go much
more quickly.

2.Significant speed improvements in network technology that will enable new use cases and
applications.

3.The 4G network is failing and no improvements have been added since it was rolled out ten
years ago.

4.Mobile devices designed for 4G will not connect to 5G networks and will be obsolete
within the next two years.

Answer: Significant speed improvements in network technology that will enable new use
cases and applications.

39.What is a distinguishing feature of 5G mmWave?

1.It can easily penetrate walls and barriers.

2.It has better reception for indoor use.

3.It can support an infinite number of devices.

4.It can transfer large amounts of data quickly.

Answer: 4. It can transfer large amounts of data quickly..

40.An electronics company develops a line of augmented reality headsets for use in
interactive 3D media applications using 5G mmWave technology. However, customers in
rural areas have been complaining about issues with an inability to connect more than their
urban and suburban counterparts.What could be contributing to the connectivity issues
encountered by the rural customers?

1. The rural areas do not have enough cell locations to support mmWave.
2. The cell towers in the rural areas are not large enough to support mmWave.
3. The signals from the headsets are being downgraded to an earlier generation.
4. The connection density in the rural areas is too high, causing reduced bandwidth.
Show Answer: The rural areas do not have enough cell locations to support mmWave.
41.How does beamforming improve network service?

1. by sharing service signals between devices on a network

 2. by connecting devices directly to power sources
3. by using multiple antennas to increase range and bandwidth
4. by using device locations to better target service signals
Answer: by using device locations to better target service signals

42. How does lower latency benefit the users connected to a network?

1. by reducing the delay when sending and receiving data between devices
2. by enabling more devices to connect to the network at the same time
3. by expanding the range over which the network’s signals are transmitted
4. by limiting network access to users with higher security credentials
Answer: by reducing the delay when sending and receiving data between devices

43.If a person’s mobile phone was designed to work with 4G technology, what will happen
when a 5G network is rolled out in their area?

1. Their phone will only work when they are out of range of any 5G networks.
2. They will lose service as the 4G network is deactivated to make room for the 5G
network
3. Their phone will automatically upgrade itself to work with the new 5G network
4. They will still have service through the 4G network for at least several years.
Answer: Their phone will automatically upgrade itself to work with the new 5G network
44. A large industrial machine is able to monitor environmental conditions and quickly shut
down and sound an alarm when it detects a dangerous situation. What feature of the
technology allows this to happen?

1. connection density
2. effective range
3. improved bandwidth
4. reduced latency
45. What underlying concept is edge computing based on?

1. moving computing resources closer to the source or user of data ource

2. delivering files to end users at the fastest possible speeds
3. using beamforming to improve the efficiency of a network
4. transmitting the maximum amount of data over a single connection
46. A user in India is able to shop at an online retailer headquartered in Canada through
multiple devices including a laptop, tablet, and cell phone, with minimal delays or
interruptions in the connection. How does edge computing make this possible?

1. by requiring a secure sign-on to connect to the site from different devices

2. by disabling certain features on the website to reduce the chance of syncing issues
3. by limiting the overall number of users on the network to improve performance
4. by using duplicate servers across multiple geographic locations to reduce latency

47. What does the Internet of Things (IoT) enable?

 1. controls network traffic in highly populated areas
2. increases the transmission range of network signals
3. translates signals between different network generations O’S
4. allows everyday physical devices to exchange data

48. What describes the relationship between 5G and edge computing?

1. 5G networks will make edge computing obsolete.

2. 5G expands the possibilities of edge computing.
3. Edge is a new network that competes with 5G.
4. Edge computing is not possible without 5G.
49. A large offshore oil platform needs to transmit signals between different devices on the
platform with high reliability and low latency. However, they are unable to cover the
platform with their existing Wi-Fi connections.What is the best solution for the platform in
this scenario?

1. routing all their web traffic through the company headquarters

2. setting up a private 5G network on the platform itself
3. adding a satellite link to the existing Wi-Fi network
4. building new 5G cell sites between the platform and the shore
50. Which situation would benefit the most by using edge computing?

1. a theater wants to record performances for its website

2. a clothing company wants to track customer preferences
3. an offshore oil rig needs to more efficiently process data
4. an IT department wants to increase the capacity of its central server

Part B
1. Write about Virtualization in networks.
2. What are the quality of service requirements?
3. What are the applications of Radio Access Networks?
4. What are SDNs? Explain the need for SDNs with example diagram.
5. Write about mobile edge computing.
6. What are the components of a 5G core network?
7. Explain E2E Slicing.
8. What is the role of NFV in network slicing?

Part C
1. Brief about C-RAN architecture and its benefits.
2. Write about 5G Core Network.
3. Explain Dy-RAN architecture. What are the applications of Dy-RAN?
4. Write in detail about Network Slicing. How is network slicing implemented in
modern networks?
5. Write about edge computing and edge devices.
6. Brief about Software Defined Networking and how they are used in 5G networks with
diagram.
7. Write about RANs and explain any one type in detail.