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Which of the following coding schemes is predominately used for traffic channel in 5G? _SC

A.

LDPC

B.

Convolutional code

C.

Polar code

D.

Turbo coding

How many times is the 5G downlink peak rate higher than that of LTE? (single-choice question, 2 points)

A.

10 times

B.

50 times

C.

100 times

D.

500 times

Which of the fowling is a solution for 5G to switch uplink transmission to the sub -3 GHz low frequency band. Effectively compensating for insufficient uplink coverage of the C - Band? _SC

A.

UL and DL decoupling

B.

Carrier aggregation

C.

Duplex technology

D.

Multiple access technique

Which following service scenario of the smart grid does a separate 5G E@E need to be used? -SC

A.

Power distribution network protection and control

B.

Mobile operations

C.

Intelligent meter reading

D.

Voice-base dispatch service (trunking group)

What are the reasons for the lack of widespread popularity of drone applications at present? (Multiple choice, 2 points)

A.

Regulatory Issues

B.

Network Issues

C.

Problems with charging

D.

High mobility

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

Which of the following statements about the advantages of Cloud RAN architecture is correct? (Multiple choice, 4 points)

A.

Device resource pooling

B.

Adapting to Diversified Businesses

C.

Network Elasticity Expansion

D.

Business on-demand deployment

(Judgment) For autonomous driving services, based on security considerations, the delay of the mobile network is required to be controlled in nanoseconds.

A.

True

B.

False

Which of the following items are included in the 5G phase 3 test led by IMT - 2020 (5G) promotion Group? –MC

A.

Field test of the NSA architecture.

B.

Inter-vendor compatibility test.

C.

Indoor test of the SA architecture

D.

Field test of the SA architecture

Cloud VR will be much better than PC VR, but the terminal price will be much more expensive (True or False, 10 points)

A.

True

B.

False