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Begin to Test:

1. Which of the following descriptions about gNodeB QoS management is incorrect?

Includes only wireless resource mapping, no transport resource mapping.

The control plane functions are primarily responsible for the creation, modification, and maintenance of business logic.

Maintain data traffic defined by specific QoS attributes

Providing service bearers with different QoS attribute values

Question 1 of 33

2. In the Opti3x architecture, during the establishment of a dual-connectivity connection, the eNB sends an ERABModityIND message to the MME. The IP address carried in this message belongs to which of the following network elements?

gNodeB

eNodeB

SGw

UE

Question 2 of 33

3. Which aspect of the user plane will be cloud-based first?

Core Cloud

Access Network

Bearer network

Edge clouds

Question 3 of 33

4. What are the horizontal and vertical 3dB beamwidths of the 64T64RAAU broadcast beam in the default configuration scenario?

105°, 6°

65, 6°

65°, 12°

120°, 12°

Question 4 of 33

5. Which gain of Massive MIMO cannot improve system coverage performance?

Array gain

Spatial multiplexing gain

Interference suppression gain

Spatial diversity gain

Question 5 of 33

6. Which of the following timers does not need to be sent to the UE and is only executed on the gNodeB side?

T300

T301

T304

UE Inactivity Timer

Question 6 of 33

7. 3GPR15 defines the maximum bandwidth of 5G millimeter wave as which of the following?

50MHz

100MHz

200MHz

400MHz

Question 7 of 33

8. 5G has greatly promoted the development of smart healthcare. Which of the following application scenarios is considered the crown jewel of telemedicine?

Remote consultation

Remote surgery

Wireless monitoring

Patient positioning

Question 8 of 33

9. Which scenario is NOT included in the SgNB release triggered by SgNB?

Switch the anchor point eNodeB (MeNB) to a non-anchor point eNodeB.

When the signal quality of the PSCell continues to deteriorate and there is no suitable neighboring cell for PSCell handover.

GTP-U control plane data packet loss

UE inactivity timer timeout release on NR side

Question 9 of 33

10. Imbalanced receiving antennas in a terminal can affect RANK performance. Within what range can the average difference in RSRP between different antennas be considered balanced?

6dB

8dB

4dB

2dB

Question 10 of 33

11. The UE measures the strength of three SSB beams in a single cell to be -70dBm, -74dBm, and -81dBm, respectively. The SSB merging threshold is -75dBm, and the merging count is 3. Which of these is the correct SSB measurement result for this cell?

-72dBm

-74dBm

-70dBm

-75dBm

Question 11 of 33

12. Which of the following is a key capability of 5G network required for connected mobile nursing robots in smart healthcare?

Wireless Ultra-Wide Access

Low power consumption

3D high-precision positioning

Wireless anytime, anywhere

Question 12 of 33

13. In an NR cell, which of the following indicators can reflect the coverage of UE service modes?

SSBRSRP

CSI RSRP

PDSCHRSRP

CSI SINR

Question 13 of 33

14. What is the maximum number of symbols that can be configured in the PDSCH pre-DMRS?

3

1

2

4

Question 14 of 33

15. Which of the following descriptions about Massive MIMO antennas is incorrect?

Generally, AAU is used as the solution.

The number of antenna elements is greater than the number of physical ports.

Multiple antenna transmit/receive channels are available in both the horizontal and vertical planes.

The number of antenna elements is the same as the number of physical ports.

Question 15 of 33

16. If the UE needs to initiate both intra-frequency and inter-frequency measurements, and the intra-frequency SMTC period is greater than or equal to the GAP measurement period, in situations where GAP is not supported. Which of the following situations will occur when a sharing mechanism is used?

Different frequency measurements cannot be performed.

Random measurements at the same and different frequencies

Neither same frequency nor different frequency can be measured.

Same-frequency measurement cannot be performed.

Question 16 of 33

17. For ideal reliability in cooperative autonomous driving, which of the following needs to be met?

0.999

0.999999

0.9999

0.9999

Question 17 of 33

18. What is the recommended downlink PDCP sequence number length for NR cells?

18bit

16bit

10bit

12bit

Question 18 of 33

19. What parameter distinguishes the B1 event measurement in NG-RAN from that in E-UTRAN?

Ocn

Ofn

Hys

TimeToTrig

Question 19 of 33

20. Which of the following descriptions about the constraints of the PUCCH resource allocation protocol is incorrect?

SR can only configure PUCCH resources via RRC signaling.

Periodic CSI supports semi-static scheduling of PUCCH resources.

ACK/NACK supports semi-static scheduling of PUCCH resources

Periodic CSI supports RRC signaling configuration of PUCCH resources

Question 20 of 33

21. Which of the following coding methods is primarily used in the 5G control channel?

LDPC

Polar code

Turbo code

Convolutional code

Question 21 of 33

22. Which of the following descriptions about the BWP handover mechanism is incorrect?

Handover can only be triggered by the base station.

The handover can be triggered by either the base station or the terminal.

FDD systems can switch uplink and downlink independently.

In a TDD system, uplink and downlink switching must be performed simultaneously.

Question 22 of 33

23. Which of the following descriptions regarding parameter configuration for NG-RAN to E-UTRAN handover is incorrect?

The inter-system service mobility algorithm switch needs to be turned on.

Switching methods include switching and redirection.

For 4G frequency bands, it is recommended to have lower frequency priority in the connected state.

Can support both switching and redirection simultaneously.

Question 23 of 33

24. 3GPPR15 protocol version primarily completes the specification for which of the following 5G scenarios?

MBB

eMBB

mMTC

uRLLC

Question 24 of 33

25. In an SA cell, what does it mean if a terminal receives a TA value of 40?

The terminal is moved out of the control area.

The terminal is farther away from the base station.

The terminal location has not changed.

The terminal is closer to the base station.

Question 25 of 33

26. MU-MIMO is a very effective means of improving cell capacity. Different channels support different numbers of streams. Which of the following descriptions is incorrect?

The maximum flow rate of PDSCH is 16.

The maximum number of streams in PUSCH is 8.

The maximum flow rate of the PDCCH is 8.

8T8R does not support PDCCH multiplexing.

Question 26 of 33

27. Which of the following descriptions about pre-scheduling is incorrect?

When using basic pre-scheduling, the base station will continue scheduling as long as there are remaining scheduling resources, regardless of whether there are service requests.

The pre-scheduling function also requires support from the terminal side.

Pre-scheduling is only used for uplink scheduling.

This algorithm is used to reduce the initial scheduling time.

Question 27 of 33

28. In a 5G cell, after the UE receives data packets from the PDSCH according to the DC information, which parameter is used to determine the downlink HARQ transmission time?

K3

K1

K2

K0

Question 28 of 33

29. Which of the following power values is used as a reference for providing power to the other downlink channels in an NR cell?

CSI-RS power

Max Transmit Power

PDCCH power

PBCH power

Question 29 of 33

30. What parameter is used to characterize the bandwidth of a 5G cell system?

PRB

CRB

DRB

PintA

Question 30 of 33

31. After what period of inactivity will a UE migrate from RRC CONNECTED to RRC INACTIVE state?

20S

Parameter Settings

10S

30S

Question 31 of 33

32. Which of the following descriptions of key parameters for inter-frequency handover based on frequency priority is incorrect?

The A4 threshold setting must be greater than -90dBm.

Threshold A1 needs to be greater than A2.

The frequency priority frequency switching switch needs to be turned on.

The A4 threshold must be greater than the coverage-based A2 threshold set for the target cell.

Question 32 of 33

33. In the terminal capability reporting, which of the following indicates that the terminal supports Tianxuan?

SupportedSRS-TxPortSwitch:t2t4

maxNumberSRS

SupportedSRS-Resource:1t2r

SupportedSRS-AntennaSwitching

Question 33 of 33

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