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

A. 15kHz

B. 60kHz

C. 30KHz

High frequency mmWave is predominately uses 5G wireless coverage. -TF

A. True

B. False

Which of the following are points of electronic power telecommunication?

A. public network GPRS with low rate and long delay unable to provision telecontrol, tele indication and telemetering, slow fault locating

B. high cost for monitoring service carried by operator 4G network

C. low security and reliability of electric power services carried on public network

D. incapable of collecting electric consumption information, costly manual meter reading .

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

A. True

B. False

Which of the following is true 100 Mbps eMBB service?

A. tik tok

B. face time

C. 1080 video

D. 8k VR

What diversity of connections can 5G deliver in the mMTC application scenario in IMT - 2020 Vision?

A. 100,000 Connections per square kilometer

B. 1 million connections per square kilometer

C. 10 million connections per square kilometer

D. 10,000 connections per square kilometer

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

A. 10ms

B. 5ms

C. 20ms .

D. 50ms

Which one of the following levels of precision are possible with the 3G+RTK function?

A. to the centimeter

B. to the meter

C. to the submitter .

D. to the millimeter

Which of the following are service seniors where VR is predominately used?

A. industrial manufacturing

B. Gaming .

C. Video .

D. Education .

In the initial phase of 5G network construction, operator predominantly provide data service for customers.

A. True.

B. False.