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Question # 4

Which of the following companies the claimed that it will no longer develop 5G terminal baseband chipsets?_SC

A.

QUALCOMM

B.

Huawei

C.

intel

D.

Samsung

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Question # 5

NSA Option3 series, divided into option3, option3A, option3X, the architecture is eNB+5GC. (True or False, 2 points)

A.

True

B.

False

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Question # 6

In the eMBB scenario, what bit/s rate is required for cloud-based AI access? (single-choice question, 2 points)

A.

100Mbps

B.

1Gbps

C.

6Gbps

D.

10Gbps

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Question # 7

Which of the following transmission network slicing technologies cannot achieve hard slicing of pipe bandwidth? (single-choice question, 4 points)

A.

FlexETH

B.

Port isolation

C.

ODUk

D.

VLAN

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Question # 8

Which of the following is the low-altitude ra2nge where drones can work? _SC

A.

2000 m

B.

100 m

C.

1000 m

D.

60 m

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Question # 9

Which of the following is not advantage of a thin client in the cloud X service?

A.

Easy deployment and management

B.

Efficient storage

C.

Mobile

D.

Low cost

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Question # 10

Which of the following services is the most suitable for terminals to implement DRX?_ SC

A.

VR gaming

B.

Automated driving

C.

Video on-live

D.

Intelligent meter reading

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Question # 11

Which of the following options is not the main application scenario of mmWave? (single-choice question, 6 points)

A.

Wide coverage

B.

Self-backhaul, there is a station when there is electricity

C.

Household Broad Access

D.

Capacity increase

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Question # 12

Which one of the subcarriers spacing yield the highest spectral efficient for 5G cells on 50MHz bandwidth?

A.

15kHz

B.

60kHz

C.

30KHz

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Question # 13

Which of the following statements is correct about the 5G service –oriented architecture? _SC

A.

Service-based interface

B.

Network service are not open to external system

C.

Network functions are decoupled and modularizedd.

D.

Network function are combined and deployed as required

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Question # 14

What three scenarios are included in the ITU's vision for 5G? (Multiple choice, 2 points)

A.

eMBB

B.

eMTC

C.

uRLLC

D.

mMTC

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Question # 15

Which of the following are commercial product in the 5G terminal industry

A.

vehicle-mounted mobile module .

B.

mobile handheld

C.

mobile MiFi hotspot device

D.

home cpe gateway

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Question # 16

Which view is wrong about the challenges of network construction and responses to 5G wireless side site changes? (single-choice question, 10 points)

A.

Millimeter waves are used in hotspot areas, and small stations are densely distributed, requiring precise site selection

B.

5G adopts C-band and Massive MIMO, which has wider and better coverage and can greatly reduce the number of base stations

C.

Eliminate old pole stations to get enough stations

D.

The number of stations is increased by 1-10 times, the tower TCO is high, and the maintenance is more complicated

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Question # 17

In the 5G network, which technology is used to ensure end-to-end service quality? (single-choice question, 2 points)

A.

Big connections

B.

Millimeter Wave Technology

C.

Network Slicing

D.

Edge Computing

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Question # 18

Which application scenarios of 5G are mainly used in the Internet of Vehicles business? (Multiple choice, 2 points)

A.

eMBB

B.

uRLLC

C.

mMTC

D.

D2D

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Question # 19

Which of the following businesses needs to consider the design of sinking user interface? (single-choice question, 4 points)

A.

Mobile Internet

B.

Video Surveillance Network

C.

Mobile TV Network

D.

Meter reading IoT

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Question # 20

In the process of uplink and downlink decoupling, what determines whether the uplink uses high frequency or low frequency for signal transmission? (single-choice question, 2 points)

A.

UE

B.

gNodeB

C.

AMF

D.

UPF

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Question # 21

which of the following chips is the world’s first commercial single -chip multi-mode (2g/3g/4g/5g)5g modem? _SC

A.

Balog 5000

B.

5X50/X55

C.

CXMM-8160

D.

Exynos 5510

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Question # 22

In order to ensure the QOS of eMBB's high-definition video services, where should the CDN server be deployed? (single-choice question, 6 points)

A.

Regional DC

B.

Core DC

C.

Edge DC

D.

Base station room

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Question # 23

The first wave of communication 5G predominately targets eMBB services.

A.

True

B.

False

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Question # 24

Which of the following is a function of UPF? (single-choice question, 6 points)

A.

Server discovery function

B.

Packet routing and forwarding

C.

Provide policy rules to the control plane function

D.

Base station authentication server function

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Question # 25

The energy consumption of the site has entered the 10,000-watt level (3K-10Kw), the energy transformation and energy consumption of the site, and the main focus of the site TCO (true or false, 10 points)

A.

True

B.

False

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Question # 26

The 5G education private network is implemented with 5G slicing technology. (True or False, 2 points)

A.

True

B.

False

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Question # 27

Which of the following is the terms refers to the base station in the radio network access in 5G? _SC

A.

NodeB

B.

eNodeB

C.

BTS

D.

gNodeB

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Question # 28

Which one of the following solutions cannot reduce end -to-end delay?

A.

RTT optimization over the air interface

B.

using a low latency bearer network

C.

control and user plane separation (CUPS) on the core network

D.

large-capacity spectrum bandwidth

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Question # 29

Which of the following URLLS statements are correct? _MC

A.

URLLS mainly considers the requirements on network delay.

B.

URLLC service require a delay of less than 10 ms.

C.

The typical application scenario of URLLS include automated driving. ,drones ,and telemedicine.

D.

In mid-2018, 3GPP release 15 completed the URLLS basic version by the end of 2019, the

completed version of 3GPP release 16 was provided

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Question # 30

Which of the following statement is correct about data splitting with option 3x?

A.

data splitting on the eNodeB side

B.

direct data splitting by EPC

C.

data splitting on the gNodeB side.

D.

bearer-based data splitting

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Question # 31

In the Cloud RAN architecture, which of the following network element functions cannot be deployed in the cloud? (Multiple choice, 2 points)

A.

BBU

B.

DU

C.

CU

D.

AAU

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Question # 32

The key requirements of the 5G bearer network can be summarized into which of the following aspects? (Multiple choice, 4 points)

A.

Low latency

B.

Agile operation and maintenance

C.

Network Fragmentation

D.

Large bandwidth

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Question # 33

Which of the following 5G network technologies can be used to reduce vehicle latency? (single-choice question, 6 points)

A.

MEC

B.

NFV

C.

SDN

D.

Massive MIMO

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Question # 34

The same mobile phone, using Massive MIMO technology can greatly improve the peak rate of a single user. (True or False, 2 points)

A.

True

B.

False

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Question # 35

Which of the following power grid businesses has the highest requirements on the number of terminals? (single-choice question, 2 points)

A.

Distributed distribution automation

B.

Precise load control

C.

Low-voltage electricity consumption information collection

D.

UAV power grid inspection

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Question # 36

Which of the following has the highest requirement for the network bandwidth in B - Scan?

A.

Ultrasonic imaging

B.

Operation controlc.

C.

Real-time call

D.

Communication between doctors and patients

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Question # 37

Which of the following benefits are bought by 5G to doctors and patients?

A.

more efficient and timely .

B.

more secure

C.

more economical .

D.

solving the shortage medical staff .

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Question # 38

Which of the following is the key technology to enhance high -altitude coverage 5G

network?

A.

UL and decoupling

B.

f-OFDMA

C.

256QAM

D.

Massive MIMO .

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Question # 39

What kind of business will the first wave of 5G market focus on (single-choice question, 6 points)

A.

uRLLC

B.

mMTC

C.

eMBB

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Question # 40

Which of the following key 5G technologies can improve network spectrum efficiency? (Multiple choice, 4 points)

A.

New channel coding

B.

256QAM Advanced Adjustment

C.

Massive MIMO

D.

Flexible subcarrier bandwidth

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Question # 41

Open trail specification alliance (OTSA) predominately promots the release and application of 28 GHz spectrums. –TF

A.

True

B.

False

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Question # 42

VR vertigo is mainly caused by which of the following factors? (single-choice question, 2 points)

A.

Rate

B.

Delay

C.

Number of connections

D.

Glasses Weight

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Question # 43

Compared with traditional plat preservation which of the following advantages does drone-based plant preservation have?_ MC

A.

higher efficiency than manual operations

B.

30% less medicine is used, saving water and protecting the environment.

C.

precise operation

D.

high security due to man-machine separation

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Question # 44

The key challenges of the 5G bearer network are (multiple choice, 8 points)

A.

Business cloudification

B.

Internet of Everything

C.

Business growth

D.

10x increase in bandwidth

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Question # 45

Which of the following is the maximum round trip time (RTT) of 5G -V2X?

A.

10ms

B.

5ms

C.

20ms .

D.

50ms

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Question # 46

DGW is generally deployed in which of the following locations? (single-choice question, 6 points)

A.

Base station side

B.

City

C.

Access/Aggregation Layer

D.

to save money

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Question # 47

Which of the following are advantages of accessing 5G at home?

A.

rapid deployment and go to market

B.

optical fiber-class rate

C.

higher reliability than optical fiber

D.

flexible deployment

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Question # 48

Which of the following are 5G technologies defined in 3GPP release 15? _MC

A.

Massive MIMO

B.

Flexible sub-frame structure

C.

New mutli-access technology

D.

New waveform

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Question # 49

What belongs to the new requirement of PTN smooth evolution to support 5G bearer is (multiple choice, 4 points)

A.

SPTN deployment enhances business flexibility

B.

Network Slicing Evolution: FlexE

C.

Service Evolution: SR-TP/L3

D.

Bandwidth evolution: 50/200/400GE

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Question # 50

The 120KHz sub-carrier is more sensitive to frequency offset than the 30KHz sub-carrier. (True or False, 2 points)

A.

True

B.

False

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Question # 51

Which release version of 3GPP does 5G start from? (single-choice question, 6 points)

A.

R17

B.

R15

C.

R13

D.

R8

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