5G Network MCQs with Answers

1 .

5G was introduced in which year?

A)

July 2015

B)

July 2016

C)

July 2017

D)

July 2018

Correct Answer : July 2016

Explanation : 5G was introduced in July 2016 and Developed by 3GPP.

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 : South Korea

Explanation :

South Korea launched the world's first fully-fledged 5G mobile networks in April 2019.

The superfast communications heralded by fifth-generation wireless technology will ultimately underpin everything from toasters to telephones; from electric cars to power grids.

It will bring smartphones near-instantaneous connectivity -- 20 times faster than the existing 4G.

3 .

The G in 5G stands for?

A)

Gigabit

B)

Gigahertz

C)

Good to Go

D)

Generation

Correct Answer : Generation

Explanation : 5G is the 5th generation mobile network. It is a new global wireless standard after 1G, 2G, 3G, and 4G networks. 5G enables a new kind of network that is designed to connect virtually everyone and everything together including machines, objects, and devices.

4 .

5G is the fifth generation technology standard for________

A)

Laptops

B)

Televisions

C)

Broadband cellular networks

D)

None of the Above

Correct Answer : 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 : New Radio

Explanation : 5G New Radio (NR) is the global standard for a unified, more capable 5G wireless air interface. It will deliver significantly faster and more responsive mobile broadband experiences, and extend mobile technology to connect and redefine a multitude of new industries.

6 .

1G brought us the very first cell phones.

A)

True

B)

False

C)

None of the above

D)

--

Correct Answer : True

7 .

5G was developed by______

A)

IBM

B)

3GPP's

C)

TRAI

D)

Google

Correct Answer : 3GPP's

Explanation : 5G Technology is drafted by standards groups such as 3GPP (Third Generation Partnership Projects). No company individually owns 5G. However, several vendors such as Ericsson, Nokia, Huawei and ZTE develop equipment which gets deployed in a 5G network.

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 : 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

C)

None of the Above

D)

--

Correct Answer : 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 : 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

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 : 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 : Permanent Identity

Explanation : In telecommunication systems, network operator allocate to each SIM card a unique identifier, known up to the 4G as an IMSI (International Mobile Subscriber Identity) and for the 5G as a SUPI (Subscription Permanent Identifier). As authentication between a user and its network provider is based on a shared symmetric key, it can only take place after user identification. However, if the IMSI/SUPI values are sent in plaintext over the radio access link, then users can be identified, located and tracked using these permanent identifiers.

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 : 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 : True

15 .

3G brought us online.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : 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 : 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 : All of the above

18 .

OFDM stands for_____

A)

Orthogonal frequency-division multiple

B)

Original frequency-division multiplexing

C)

Orthogonal frequency-division multiplexing

D)

None of the Above

Correct Answer : 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 : 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 : 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 : 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 : Internet of Things

23 .

5G technology uses millimeter waves.

A)

True

B)

False

C)

None of the above

D)

--

Correct Answer : 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 : 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.

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 : 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 : 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 : 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 : 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.

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 : 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 : 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 : True

32 .

5G utilizes a technology called beamforming.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : 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 : All of the Above

34 .

Lowering property value is another concern when it comes to the location and positioning of 5G towers and supporting technology.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : True

35 .

What is the difference between SDN and NFV?

A)

SDN enables effective deployment of cloud resources to the appropriate edge node for a given application and given fixed or mobile user; NFV provides for flexible and dynamic creation and management of paths.

B)

SDN enables the movement of edge resources and services to dynamically accommodate mobile users; NFV creates paths that use an access node for one or both ends of a connection involving a wireless device.

C)

SDN operates to monitor and enforce QoS requirements by controlling the behavior of the QoS flow for each slice; NFV implements the network functions in a network slice, enabling the isolation of each network slice from all other network slices.

D)

All of the Above

Correct Answer : SDN operates to monitor and enforce QoS requirements by controlling the behavior of the QoS flow for each slice; NFV implements the network functions in a network slice, enabling the isolation of each network slice from all other network slices.

36 .

The frequency bands for 5G networks come in________

A)

FR1

B)

FR2

C)

FR3

D)

Both (A) and (B)

Correct Answer : Both (A) and (B)

37 .

Telecommunications act of _______ states that no state or local government can regulate the placement of cell towers regardless of environmental effects.

A)

1973

B)

1996

C)

2010

D)

2019

Correct Answer : 1996

38 .

FCC stands for Federal Communications Commission

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : True

39 .

An alternative to 5G wireless technology is the enhancement of landline technology.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : True

40 .

The first phase of 3GPP 5G specifications in Release-15 is scheduled to complete in which year?

A)

2017

B)

2018

C)

2019

D)

2020

Correct Answer : 2019

41 .

Which frequency bands are used in 5G networks?

A)

Low-band (Sub-1 GHz)

B)

Mid-band (1-6 GHz)

C)

High-band (mmWave, 24 GHz and above)

D)

All of the above

Correct Answer : All of the above

42 .

What is the expected latency in 5G networks?

A)

1 ms

B)

10 ms

C)

50 ms

D)

100 ms

Correct Answer : 1 ms

Explanation : 1 ms (ultra-low latency for critical applications)

43 .

What is the main advantage of mmWave in 5G?

A)

Wider coverage

B)

Higher data speeds

C)

Lower cost

D)

Better penetration through walls

Correct Answer : Higher data speeds

Introduction :