H35-581_V2.0-ENU Exam Dumps - Reliable Way to Pass and Get Certified

H35-581_V2.0-ENU Exam Dumps – Reliable Way to Pass and Get Certified

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December 5, 2023

If you are looking for a reliable and comprehensive way to prepare for your H35-581_V2.0-ENU certification exam, look no further than H35-581_V2.0-ENU exam questions. These H35-581_V2.0-ENU exam dumps questions are designed to help you assess your knowledge, identify your strengths and weaknesses, and improve your chances of passing the exam on the first try. These H35-581_V2.0-ENU dumps questions cover all the topics and concepts that are essential for the H35-581_V2.0-ENU exam, so you can be sure that you are fully prepared. Test Huawei H35-581_V2.0-ENU free dumps below.

Page 1 of 23

1. Which of the following subcarriers will not be used to carry PDCCH DMRS information?

Subcarrier 9

Subcarrier 1

Subcarrier 7

Subcarrier 5

2. Which system message is broadcast in the PBCH channel?

MIB

SIB5

SIB2

SIB1

3. Adding SCG function through activation period can improve the online ratio of NSA users, but the period must be less than the UE inactivity timer parameter Ueinactivetimer

True

False

4. Which of the following descriptions about interference avoidance in NSA DC scenarios (LTE 1.8 GHz and NR 3.5 GHz) are correct? (Multiple choice)

Intermodulation interference affects LTE uplink reception

LTE side avoids control through TDM and FDM mechanisms

Harmonics interfere with LTE downlink reception

LTE side avoids and controls intermodulation interference through TDM scheduling mechanism

5. The Xn interface used between 5G base stations is based on an IP network. Which of the following user plane protocols are included? (Multiple choice)

SCTP

GTP-U

UDP

6. Which of the following are included in the processing of PDSCH channel at the physical layer? (Multiple choice)

Scrambling

Layer Mapping

Weighting

Modulation

7. Random access is only triggered in the calling scenario. The random access process will not be triggered by responding to the paging message in the called scenario.

True

False

8. The 5G version of 3GPP Rell5 only defines the interoperability between 5G and 4G, but not the interoperability between 5G and 2/3G.

True

False

9. In NSA scenarios, which network element calculates the GAP parameters for inter-frequency measurements of low-frequency NR cells?

eNodeB

MAE

gNode

10. Which of the following numbers of RBs can be occupied by the NR PRACH channel in the frequency domain? (Multiple choice)

2RB

6RB

12RB

3RB

Page 2 of 23

11. When the NR-inactive state changes to tconnected, which layers need to be connected? (Multiple choice)

PDCP

RLC

MAC

PHY

12. What parameters does RNA ID consist of? (Multiple choice)

I-RNTI

Cell ID

TAC

RAN Area Code

13. If the air port packet filling rate is normal, but the FTP download rate is very low, which of the following are possible reasons? (Multiple choice)

TCP window parameter setting problem

FTP server performance issues

Transmission network performance issues

Insufficient wireless resources

14. Which of the following QCl can perform SCG Split Bearer? (Multiple choice)

15. Which of the following is the main function of the 5G SDAP layer?

Segment Reassembly

Radio Resource Management

Complete the mapping of QoS flow to DRB

User plane II P header compression

16. If interference randomization scheduling needs to be enabled, what principles should the PCs of the three cells in the station meet?

PCI mod 8 staggered

PCI mod 4 staggered

PCI mod 6 staggered

PCI mod 3 staggered

17. Based on the coverage of intra-system frequency switching, which of the following measurement control events are issued after meeting the A2 event? (Multiple choice)

A1 Event

B1 Event

A5 event

A2 event

18. Whether it is NSA networking or SA networking, its mobility indicators mainly include two parts: resource preparation process and execution process.

True

False

19. Which of the following are service integrity indicators? (Multiple choice)

Average throughput of uplink and downlink cells

Average throughput of uplink and downlink users

PRB Utilization

CPU utilization

20. For the pre-DMRS of PDSCH type A, which of the following are possible starting symbol positions of DMRS? (Multiple choice)

Symbol 2

Symbol 1

Symbol 3

Symbol 0

Page 3 of 23

21. Which of the following is not included in the basic process of UE power-on and network access?

Cell Reselection

PLMN Search

Frequency scanning

Community residence

22. What are the functions of the T304 timer in the 5G network cell? (Multiple choice)

As a reselection timer

As a rebuild timer

As a switching timer

Add a timer as an SCG

23. Which of the following descriptions about reference power ReferencePwr and maximum transmit power MaxTransmitPower is wrong?

Static power control is achieved by setting a bias on ReferencePwr

Low-frequency TDD cell, configured by parameter NRDUCellTrp.MaxTransmitPower

ReferencePwr= MaxTransmitPower 10xlog (number of RBs x12)

MaxTransmitPower is the rated power of AAU

24. EPS Fallback means falling back to LTE when establishing voice service bearer, so 5GC does not need to be connected to IMS.

True

False

25. RE is the smallest unit of resource allocation for transmitting data at the physical layer in the NR system.

True

False

26. When troubleshooting NR cell interference with SCS=30kHz, what is the normal interference noise floor at the PRB level?

-115dBm

-90dBm

-110dBm

-125dBm

27. In NSA networking, for CPE1.0 to reach a peak downlink rate of 1000Mbps, which of the following is the minimum requirement for the cell downlink rate?

900Mbps

860Mbps

800Mbps

700Mbps

28. In NSA networking, when NR has dropped calls, it will be recorded on the 5G network side.

True

False

29. In 5GRAN2.1, U2020 can support network element management of BTS5900 and 3900 at the same time.

True

False

30. Which of the following belongs to the PUCCH short format?

Format3

Format1

Format4

Format0

Page 4 of 23

31. The channel management algorithm for PDCCH in 5G is the same in NS A and SA networks.

True

False

32. NR logical channels are divided into control channels and service channels according to the type of transmitted data.

True

False

33. What are the requirements for 5G bearer network? (Multiple choice)

Ultra-large bandwidth and ultra-low latency

Efficient network construction and network slicing

Cross-domain collaboration and protocol simplification

Clock can be stepped

34. Which of the following descriptions about 5G AMBR rate control is correct?

The UE performs uplink UE-AMBR rate control, and the eNB schedules the downlink UE-AMBR rate control

UPF needs to perform UE-AMBR for uplink and downlink

UE needs to perform Session-AMBR for uplink and downlink

UPF needs to execute session-AMBR for both upstream and downstream

35. PRACH time domain location is determined by "PRACH Configuration Index", which of the following is not included?

Frame number

SLOT number

Relationship with SSB Index

Leading format

36. What signals do terminals use to adjust time and frequency offset in NR cells? (Multiple choice)

PT-RS

DMRs

SSB

TRS

37. Assuming the frequency range used is 2515-2615MHz, what is the absolute frequency point number NR-ARFCN corresponding to the center frequency?

6312

513000

504990

2104

38. Which of the following factors will serve as the basis for dynamic traffic diversion at the PDCP layer under the Option 3X architecture? (Multiple choice)

SDAP layer cache status

RLC layer transmission rate

Air interface transmission delay

x2 port congestion status

39. Which network element evaluates and judges the measurement results during PScell3 change?

gNodeB

eNodeB

EPC

40. Air interface quality is the most critical factor affecting the downlink peak rate experience. Which of the following is not an air interface quality factor?

Low RANK

High IBLER

Low MCS

Insufficient number of scheduling RBs

Page 5 of 23

41. Which of the following events is used by the gNodeB to determine the target cell or target frequency for service-based inter-frequency handover?

A4 incident

B1 Event

A5 event

A2 event

42. In a 5G cell, the UE's activated BWP bandwidth is 100 RB, then the minimum number of RBs of the corresponding associated CSI-RS resources is

100

43. If it is necessary to support PS handover from 5G to 4G, what interface must be deployed between 5G and EPC?

N26

N10

N20

44. PDCCH dynamic power control, adaptively adjust the transmission power of the PDCCH dedicated to the far-point user based on the BL ER target value of the PDCCH.

True

False

45. When the NR downlink bandwidth is 100Mhz and the SCS is 30KHz, how many PRBs does each RBG contain?

46. Which of the following types does the 5G registration process include? (Multiple choice)

Emergency Registration

Periodic Registration

Initial Registration

Mobility Registration

47. Which of the following reasons will not lead to an increase in BLER?

SINR drops sharply

Antenna unbalance

Strong interference

Uplink TA abnormality

48. Under SA networking, the 5G access success rate indicator can be decomposed into which of the following sub-indicators? (Multiple choice)

Random access success rate

NG signaling establishment success rate

QoS flow establishment success rate

RRC establishment success rate

49. Currently, the maximum codewords supported by commercial terminals are 2 and the maximum number of streams is 8.

True

False

50. What is the maximum horizontal 3dB width of the NR broadcast beam supported by 64T64RAA?

110

Page 6 of 23

51. The protocol stipulates that the judgment formula for cell selection is "Srx1ev>0 and Squal>0 and Ssinr>0

True

False

52. Which of the following descriptions about 5G cell on-demand broadcast of ODOSI are correct? (Multiple choice)

The terminal can trigger the cell broadcast ODOS through RRC_sYs__INFO__REQ

Dedicated RACH information for configurable ODOSI in SIB2

oDoSI will broadcast continuously for 2 cycles after the cell is established, and then stop broadcasting and switch to on-demand triggering

The terminal can trigger the cell to broadcast ODOS1 by sending a dedicated preamble

53. CQI reporting is required in both uplink and downlink scheduling processes.

True

False

54. Which of the following descriptions about the impact of MU-MMO on network performance is wrong?

When the user channel quality is good but the users are concentrated, there is a risk of a decrease in user downlink throughput when downlink MU-MMO takes effect.

After downlink MU-MIMO takes effect, the average downlink MCS and average RANK of users will increase

After downlink MU-MMO takes effect, the number of downlink scheduled users increases, which consumes more CCE resources

After downlink MU-MIMO takes effect, there are only two downlink streams for successfully paired users

55. The 5G NR uplink data transmission scheduling process involves two schedulers, one on the terminal side and the other on the base station side.

True

False

56. Which of the following descriptions of PRACH configuration index parameters are correct? (Multiple choice)

This parameter determines the time domain position of the PRACH channel

For TDD systems, this parameter is limited by the BWP bandwidth

For TDD systems, this parameter is subject to the uplink and downlink timing configuration constraints

This parameter determines the frequency domain position of the PRACH channel

57. The SUL frequency band is defined in FR1, in which the frequency range of N80 is the same as the uplink frequency range of N3.

True

False

58. SRB3 connection is only used for NSA networking.

True

False

59. The 5G Sub6G frequency band supports a maximum cell bandwidth of 100MHz and a minimum of 3MHz.

True

False

60. Which of the following is not included in the UE context establishment process?

UE wireless capabilities

QOS strategy delivery

Switch Restriction List

Security capabilities

Page 7 of 23

61. Which of the following is incorrect in the description of key parameters of inter-frequency handover based on coverage?

The inter-frequency A2 threshold is smaller than the A2 threshold for switching to E-UTRA

A5 threshold 1 can be the same as A2 threshold─

The frequency switching algorithm needs to be turned on

A1 threshold needs to be greater than A2

62. In gNodeB, which of the following indicators is used for both NSA and SA networking?

NG interface paging times

Number of successful QoS flow establishments

Number of users scheduled in the cell

Number of RRC connected users

63. The flow limit reporting function in NSA networking is a function that must be enabled in the network.

True

False

64. If the serving cell is not configured with a neighboring cell relationship with a certain cell, handover to this cell will inevitably fail.

True

False

65. In the NR system, the PBCH channel RE power will be biased based on the cell reference power ReferencePwr configuration.

True

False

66. Which of the following descriptions of the analysis of the causes of weak coverage in road tests are correct? (Multiple choice)

It may be due to environmental reasons, such as building obstruction

Equipment problem: abnormal equipment working status, AUU hardware failure, etc.

Transmission resource congestion

Switching parameter configuration, resulting in failure to switch in time

67. Which of the following descriptions of SSB broadcast beam scenario is incorrect?

In high-rise buildings, use a beam with wider vertical coverage

There are both tall buildings and squares, and the beam with large horizontal and vertical angles is used

Scenario-based beamforming does not need to consider coverage environment

Square scene, use wide beam at close point

68. In which of the following states will the RAN side store the UE context information? (Multiple choice)

RRC deactivated state

RRC connection state

Deregistered state

RRC idle state

69. The cell reselection priority is divided into public priority and dedicated priority. When the UE resides in a suitable cell and receives an RRCRelease message carrying a dedicated priority, the UE uses the dedicated priority and discards the public priority.

True

False

70. The PUCH transmission power of the UE is only related to the location of the UE and has nothing to do with the number of RBs used.

True

False

Page 8 of 23

71. How big is the 5G S-NSSA1 service slice identifier?

48 bits

24 bits

32 bits

8 bits

72. During NG-RAN to E-UTRAN cell reselection, the cell reselection priority and reselection sub-priority of the LTE frequency point are broadcasted via SIB5, supporting up to 8 LTE frequency points to be broadcasted

True

False

73. PRACH channel only supports open-loop power control.

True

False

74. Which of the following descriptions of UE dynamic power sharing in the protocol are correct? (Multiple choice)

Dynamic power sharing may cause SCG release

Dynamic power sharing may lead to insufficient power on the NR side

Dynamic power sharing may lead to insufficient power on the LTE side

UE supports dynamic power sharing, requiring power to meet NR side power requirements first

75. In NSA architecture, how is the threshold value of B1 event sent to UE?

Through PSS / SS

Broadcast via PBCH

Via OSI messages

Through RRC reconfiguration command

76. When the CM of the NAS layer is in the CONNECTED state, what are the corresponding RRC states? (Multiple choice)

RRC INACTIVE

RRC IDLE

RRC CONNECTED

RRC ACTIVE

77. Regarding the gNodeB adding process of NSA networking, which of the following indicators can only be counted on the gNodeB side?

Number of successful gNodeB additions

gNodeB adds rejection times

Number of gNodeB addition attempts

Number of successful random accesses

78. For Huawei TDD 5G network, only case C SSB beam pattern is supported.

True

False

79. Common reasons for switching failure include which of the following? (Multiple choice)

Switching parameter configuration is abnormal

Channel quality issues

Neighbor relationship is not configured

Transmission issues

80. Which of the following descriptions about NR frequency domain resources are correct? (Multiple choice)

12 consecutive subcarriers form 1 RB

Subcarrier is the smallest resource in the frequency domain

The basic unit of the control channel is REG

The basic scheduling unit for control channel resource allocation is CCE

Page 9 of 23

81. Which of the following descriptions about selecting MCS during downlink scheduling is incorrect?

The system can determine the downlink MCS based on the measured SRS SINR

When there is a lot of padding in PDSCH, a low-order MCS can be selected to improve transmission reliability

The system selects MCS based on the CQI reported by the UE

The scheduler calculates the MCS adjustment amount based on the downlink 1BLER target value

82. Which of the following descriptions about NR time domain resources is correct?

One slot is fixed at 0.5ms

1 subframe1 contains 2 slots

1 slot contains 14 symbols

1 subframe is fixed at 1ms

83. Which of the following descriptions about Huawei base station NR cell inter-frequency switching based on frequency priority is correct?

If the measurement fails, the user will trigger the periodic measurement A4/A5 event mechanism.

Configure the connection state dedicated frequency priority 0

Measurement based on A4/A5 events

Support measurement mode and blind mode

84. In the Rell5 version, what is the maximum number of codewords for 5GPUSCH?

85. The imbalance of terminal receiving antennas will affect RANK performance. Usually, within what range can the average difference of RSRP of different antennas be considered balanced?

6dB

8dB

4dB

2dB

86. Cells within the same RNA need to belong to the same TA region.

True

False

87. What protocols are used in the control plane of the interface between gNB-CU and gNB-DU? (Multiple choice)

NGP

GTPU

F1AP

SCTP

88. What is the maximum number of HARQ processes for the PDSCH channel?

89. How long does it take for the UE to transition from RRC_CONNECTED to RRC_INACTIVE state if there is no service?

20S

Parameter settings

10S

30S

90. Huawei base station FR intra-band downlink CA requirements, the absolute value of the frame offset difference between PCe ll and SCe ll should be less than or equal to what?

3075Ts

1024Ts

625Ts

375Ts

Page 10 of 23

91. Assuming that the SSB physical layer period is configured to be 10ms, how many SSB scans are required for the same MIB block?

2 times

8 times

4 times

6 times

92. Which of the following events is used to trigger the coverage-based frequency switching of Huawei base stations?

93. 5G uses packet filter set PFS to identify packet service data. What are the specific uplink and downlink rules? (Multiple choice)

Downstream TFT

Uplink QoS Rule

Downstream PDR

Uplink IFT

94. Under SA networking architecture, which layer does 5GRAN use to complete QoS mapping?

SDAP

PDCP

NGAP

RLC

95. Which of the following factors will not cause the terminal random access failure?

There is uplink interference

Not meeting the residency requirements

Super cell radius access

There is weak coverage

96. 5G core network element UDM is equivalent to which network element in the 4G core network?

PGW

MME

HSS

PCRF

97. Assume that A and B are co-frequency cells, A is an SA cell, B is an NSA cell, and the neighboring cells from A to B have been correctly configured. If the UE moves from A to B, which of the following problems will occur?

Switching failed

Cell A does not initiate a handover request to B

UE cannot report measurement report

Switch request process failed

98. In SA networking, which of the following signaling contains the call drop reason value? (Multiple choice)

UE_CONTEXT_REL_REQ

RRC Reconfiguration

sgNodeBBReleaseRequest

UE_CONTEXT_REL_CMD

99. Which stages will Repetition affect during beam training? (Multiple choice)

P3 process UE fine tuning

P4 process beam recovery

P1 process coarse alignment

P2 process base station fine tuning

100. Which of the following descriptions about single-user MMO multi-stream transmission is correct?

Downlink data transmission direct environment is easier to construct multi-stream

The number of streams received by each UE in the direct direction depends on the terminal's natural selection performance

The more antennas a single user has, the more uncorrelated data streams they can generate.

The more antennas there are, the stronger the correlation between beams.

Page 11 of 23

101. Window Size is the size of the TCP window buffer. The larger the window, the stronger the resistance to large delays and packet loss.

True

False

102. Which of the following descriptions about minimum rate guarantee is incorrect?

If the current average service rate is higher than the minimum guaranteed rate, the base station will lower the scheduling priority

This parameter is used for non-GBR services

If the current average service rate is lower than the minimum guaranteed rate, the base station will increase the scheduling priority

This parameter is not a standard parameter of 3GPP specification

103. Which of the following events occurs in the triggering phase of the coverage-based inter-frequency handover?

A2 Event

A5 event

A1 event

B1 event

104. Which of the following logical channels will be mapped to PDSCH? (Multiple choice)

DTCH

PCCH

DCCH

BCCH

105. PDCCH is used to transmit DC1, where Format10 and Format1_1 are used for downlink authorization and contain HARQ process information of PDSCH.

True

False

106. In 5G SA networking, if OSI is configured in a cell, in which message will the OSI information be indicated?

SIB3

SIB2

SIB1

MIB

107. In the 5G registration process, what authentication parameters will the Authentication Request sent by AMF carry? (Multiple choice)

Random Numbers

Expected authentication results

Secret Key

Authentication Token

108. Comparing QoS and slice SLA, which of the following descriptions is incorrect?

QoS is the basis of slice SA

Slice SLA adjusts resources to meet business needs over a longer period of time

The maximum number of slices supported is 254

Slice SL A is aimed at all-round needs such as user experience, system performance, deployment and operation and maintenance

109. In commercial scenarios, the 64T64R cell effectively reduces the cell edge interference by more than 6dB compared with the 8T8R cell.

True

False

110. In the Option 3X architecture, which network element controls the UE-AMBR and minimum rate guarantee of the downlink Non-GBR?

gNodeB

gNodeB and P-GW

P-Gw

eNodeB

Page 12 of 23

111. Huawei base station low-frequency band CA only supports Scell configuration based on blind mode, and high-frequency band supports Scell configuration based on blind mode and measurement mode.

True

False

112. What necessary information does SIB1 mainly provide for UE to access the network? (Multiple choice)

Cell configuration information

Cell selection information

SI scheduling information

Cell reselection parameters

113. What does the maximum number of upstream flows for a single user depend on?

max (number of gNodeB receiving layers, number of UE transmitting layers)

Number of UE transmission layers

min (gNodeB : number of receiving layers, UE transmitting layers) gNodeB : number of receiving layers

114. The maximum modulation mode of the shared channel defined in 3GPP Rell5 is 256QAM.

True

False

115. Which of the following descriptions about Huawei's E-UTRAN to NG-RAN fast return feature is incorrect?

If the switching method is used, the N26 interface needs to be configured

It is necessary to determine whether the terminal QCI attribute has a service that cannot be switched.

The measurement process of B1 in the heterogeneous system will not be terminated due to A1 reporting

Quick return using switching strategy

116. Which of the following symbols will Huawei base station TRS appear on?

Symbol 0

Symbol 4

Symbol 6

Symbol 2

117. What timers may be carried in the SIB1 message of 5G? (Multiple choice)

T304

T301

T300

T380

118. SMF performs IP address allocation and marking of QFI in data packets.

True

False

119. Which of the following descriptions about 5G PUCCH configuration are correct? (Multiple choice)

PUCCH short format frequency domain range supports optional configurations of 24RB, 48RB and 96RB

PUCCH short format supports time domain symbol level configuration

PUCCH long format time domain occupies a maximum of 14 symbols

PUCCH short format can not use DMRS

120. Which of the following descriptions about SCC data diversion in CA scenarios is incorrect?

In high-frequency scenarios, SCell activation triggers data offloading

In the uplink CA scenario, there are two carriers with SINR>-1B and the amount of data to be scheduled is greater than or equal to SCell , and the uplink activation threshold triggers data offloading

In the downlink CA scenario, when the amount of RLC cached data is greater than or equal to the CA downlink data offload limit, offloading to the SCC is triggered.

Traffic splitting is done at the PDCP layer

Page 13 of 23

121. The other downlink channels of the NR cell are provided with power based on which of the following power values?

CS1-RS Power

MaxTransmitPower

PDCCH power

PBCH power

122. Under the same cell bandwidth, which of the following time slot ratios has the highest uplink rate?

Uplink and downlink time slot ratio 2:3

Uplink and downlink time slot ratio 8:2

Uplink and downlink time slot ratio 7:3

Uplink and downlink time slot ratio 4:1

123. The SSB beam of a certain cell adopts the default mode, the antenna is hung at a height of 35 meters, the mechanical downtilt angle is 3°, and the digital downtilt configuration is 0°. How many meters is the lower edge (near point) of the main coverage lobe of this cell approximately from the base station?

150 meters

330 meters

1200 meters

670 meters

124. How many preamble sequences are there in a cell?

125. Which parameter distinguishes NG-RAN measuring E-UTRAN's B1 event from E-UTRAN measuring NG-RAN's B1 event?

Ocn

Ofn

Hys

TimeToTrig

126. Which of the following are included in the aggregation levels of CCE? (Multiple choice)

1CCE

4CCE

8CCE

16CCE

127. DMRS appears in which of the following channels? (Multiple choice)

CSI-RS

PBCH

PDSCH

PDCCH

128. Which of the following descriptions of the overall 5G network architecture are correct? (Multiple choice)

5G RAN is connected to the terminal through the UU interface for air interface signaling and data transmission

5G RAN is connected to AMF through NG1 interface for access and mobility related control

5G RAN is connected to SMF via NG4 interface for session control

5G RAN is connected to UPF via NG3 interface for data forwarding

129. Which of the following descriptions of QoS parameters are correct? (Multiple choice)

In SA scenario, 5GC directly sends the data through the N2 interface

QoS parameters come from the UE's SIM card

The UE's y service rate will remain unchanged under QoS control

In the NSA scenario, the eNB sends the data through the X2-C interface and the gNB performs the mapping.

130. Which of the following descriptions about CORESET are correct? (Multiple choice)

In the time domain, the number of symbols is 1-3

The configuration of CORESETO will be indicated through system messages or RRC signaling

CORESETO's resources for initial BWP

In the frequency domain, CORESET contains several PRBs, the minimum is 6

Page 14 of 23

131. According to the protocol, which of the following can be the measurement and reporting indicators of 5G cells? (Multiple choice)

RSRP

RSRQ

SINR

RSSI

132. When using DFT open-loop rights for services, the gNB will select the rank based on the RI reported by the UE, which of the following are rules? (Multiple choice)

The RI of UE CSI is 1, so the currently used RANK is 1

UE CS's R I is 2-3, and the current RANK is 3

UE CS's RI is 4-8, so the RANK used at that time is 3

UE CS's RI is 4-8, so the RANK used at that time is 4

133. Which of the following descriptions of Huawei's SCell CSI-RS solution in NR carrier aggregation are correct? (Multiple choice)

This solution is not used when SCell and PCell share the same radio module.

To solve the problem of not being able to obtain SCC beams in symmetric CA scenarios

This scheme triggers the UE to send SRS signals using the best CSI beam

This solution triggers CSI beam scanning on SCell

134. In order to facilitate the evolution of existing spectrum resources to 5G, FR1 supports small bandwidth configuration. Which of the following bandwidths are supported? (Multiple choice)

10MHz

5MHz

15MHz

3MHz

135. Which of the following descriptions about the time domain location of PDCCH on the Huawei base station side is incorrect?

The number of symbols in low-frequency scenarios supports fixed and adaptive configurations

The number of symbols in high-frequency scenarios supports fixed and adaptive configurations

Send the number of symbols to the user through RRC Reconfiguration

Support adaptive adjustment of the number of symbols according to CCE requirements

136. Which PDCCH format is used to indicate SFl (Slot Format Indication) in 5G dynamic time slot allocation?

Format2_ 0

Format2_2

Format1_ 0

Format 0 _1

137. What actions or processes may the UE perform when the NR system is inactive? (Multiple choice)

Storing AS context information

Monitor paging

Perform cell reselection

Perform cell switching

138. Based on the coverage inter-frequency switching scenario, which of the following is not included in the triggering link of inter-frequency measurement?

Whether to configure adjacent frequency points

Processing mode is measurement mode

The processing mode is blind mode

Signal quality of the serving cell

139. Regarding the N78 frequency band, which of the following time slot ratios (downlink: uplink) can support the transmission of 8 SSB beams?

7:3

8:2

4:1

3:1

140. In a scenario with good coverage, if you find that the rate drops significantly after switching, you can try to increase the initial MCS and RANK. It is recommended to configure MCS from the default value 4 to 5-8, and RANK from the default value 1 to 2.

True

False

Page 15 of 23

141. For some NR measurement indicators, the MAE network management system can support indicator reporting at the shortest level of 1 minute.

True

False

142. Which of the following signaling may trigger NR QoS Flow related statistics? (Multiple choice)

initial Context Setup Request

PDU session Resource Modify Request

Initial UE Message

PDu session Resourde Setup Request

143. 5G NR PRACH related physical resource configuration will be learned in which of the following messages?

MTB

RMSI (S1B1)

SIB2

SIB3

144. In the 5G network, for the security of users, the NAS layer uses 5G-GUTI to replace IMSI as the user's temporary ID.

True

False

145. Which of the following scenarios regarding SU-MIMO is incorrect?

gNodeB 64T, UE 4R: The maximum number of PDSCH streams is 4

gNodeB 2R, UE 2T: The maximum number of PUSCH flows is 2

gNodeB 2T, UE 4R: Maximum number of PDSCH streams is 4

gNodeB 64R, UE 2T: Maximum number of PUSCH streams is 2

146. In SA networking, after the T310 timer times out, the UE will trigger reconstruction and start the T311 timer.

True

False

147. The problem of insufficient downlink water can be isolated by filling packets at the MAC layer. Which of the following air interface reasons can lead to insufficient downlink water? (Multiple choice)

Multi-user impact

Low RANK

CCE allocation failed

Low MCS

148. Which of the following is the cause of the abnormal release indicator N.QosFlow.AbnormRe1.RNL.UeLost?

Release caused by air interface failure, focusing on poor air interface quality

Exception release caused by transport layer error

Release caused by the PDCP layer retransmission number reaching the maximum reset

Abnormal release caused by switching failure

149. The 5G protocol constrains NR to configure PUCCH resources only through RRC signaling.

True

False

150. After the T300 timer expires, the UE will trigger a reestablishment

True

False

Page 16 of 23

151. Under the Option 3x architecture, in which of the following network elements are the control parameters for upstream traffic distribution configured?

gNodeB

SGW

eNodeB

152. When the air interface uses 4 streams for transmission, only 1 codeword needs to be processed.

True

False

153. What is the typical value of the Noise Figure (NF) of a 5GCPE receiver?

5db

3db

1db

7db

154. What necessary inputs does the base station need to obtain during 5G uplink scheduling? (Multiple choice)

CQI

BSR

PHR

155. The scheduling function of the NR network is mainly implemented at the RRC layer.

True

False

156. Regarding the public PDCCH search space, which of the following is the smallest CCE format?

16CCE

2CCE

4CCE

8CCE

157. How many logical channel groups does the 5G protocol specify that gNodeB supports?

158. What is the minimum subcarrier spacing to achieve 100M bandwidth configuration in FR1 band?

15kHz

30kHz

120kHz

60kHz

159. In the scenario where NR2 6GHz S CS=30kHz cell and LTE-TDD 6GHz are networked together, when the LTE cell uses DSUDD, SSP7 and the NR cell uses 8:2 ratio, SS54, how much offset needs to be set to ensure frame structure alignment?

2ms

3ms

4ms

1ms

160. Calculating the 5G NR peak rate at a bandwidth of 10 MHz, what is the theoretically achievable coding efficiency of the physical layer?

0.9

0.925

0.95

0.975

Page 17 of 23

161. In which of the following scenarios does Huawei base station not support SRS rights? (Multiple choice)

Millimeter wave

C-band 64TRX

FDD

2T2R

162. Cloud Air technology enables spectrum sharing between LTE and NR. Which channel is generally configured at both ends of the uplink spectrum?

LTE PRACH

NR PUCCH

LTE PUCCH

NR PRACH

163. Which item does Huawei NR cell use as the management point for PDU resource change failure?

PDU SESSION RESOURCE SETUP FATLURE reason value

PDU SESSION RESOURCE SETUPREJECT

PDU SESSION RESOURCE SETUPFAILURE

Reason value of PDU SESSION RESOURCE SETUP RESPONSE

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

18bit

16bit

10bit

12bit

165. Which of the following are the architectural features of the 5G core network? (Multiple choice)

Fully Converged Cloud Network

Service-oriented architecture

Distributed architecture

End-to-end network slicing

166. Scheduling means that the base station complies with the frame structure configuration and uses PRB as the basic unit to allocate resources on the physical downlink shared channel PDSCH or the physical uplink shared channel PUSCH to the UE for system message or user data transmission.

True

False

167. How many symbols can be configured for PDSCH pre-DMRS at most?

168. Where is the simulated weighted calculation and superposition of Huawei 5H high-frequency beamforming completed?

Master Control

Baseband

Radio Frequency

Terminal

169. NR cell failure detection and recovery function can detect failed cells through which of the following methods? (Multiple choice)

Number of RRC establishment requests

Real-time KPI statistics

Number of service releases

Cell unavailable warning

170. Based on what measured SRS SINR can the system determine the downlink MCS?

When there is a lot of padding in PDSCH, you can choose

Low-order MCS, improving transmission reliability

The system selects MCS mainly based on the CQI reported by the UE

The scheduler calculates the MCS adjustment amount based on the downlink IBLER target value

Page 18 of 23

171. What is the maximum power offset in the downlink channel configuration of Huawei base stations?

6dB

12dB

9dB

15dB

172. Which of the following descriptions is wrong?

PUCCH short format is suitable for high-frequency scenarios

PUCCH long format is suitable for high-frequency scenarios

The smaller the uplink synchronization timer is set for high-speed scenarios, the better

The larger the uplink synchronization timer is set, the better for high-speed scenarios.

173. Which of the following steps does the downlink beamforming process include? (Multiple choice)

Shaping

Channel Calibration

Weight calculation

Weighting

174. Which of the following resource locations may conflict with SSB, causing GAP to fail in measuring NR frequency points? (Multiple choice)

PDCCH

DRX

SRS

PUCCH

175. gNodeB needs to consider channel quality information when performing resource scheduling.

True

False

176. Which of the following are input data for the base station uplink scheduler? (Multiple choice)

HARQ feedback status

CQl

SR1

BSR

177. When reselecting from E-UTRAN2 to NG-RAN cell, the larger the NR frequency high priority reselection threshold is set, the easier it is to reselect to NR.

True

False

178. Which MCS is used by default for the broadcast message RMSI and the random access response message RAR?

MSC 0

MSC1

MSC2

MSC3

179. Electrically adjustable antenna refers to adjusting the phase of the antenna vibrator through electrical signals, changing the horizontal and vertical components of the signal, thereby changing the coverage distance of the antenna

True

False

180. EPS Fallback process, which of the following steps does it include? (Multiple choice)

UE initiates VoNR service

UE completes IMS registration on the 5G network

UE continues to complete the VOLTE call on the 4G network

According to the configuration, gNodeB can redirect or PS handover to return the UE to the 4G network.

Page 19 of 23

181. Which parameter indicator will not be referenced in the SCell deactivation management of carrier aggregation?

Spectral efficiency corresponding to SCell CQI

UE_BSR data volume scheduled uplink

Spectral efficiency corresponding to sCell SRS

Data volume in UE downlink RLC buffer

182. Which of the following descriptions about 5G user identity security is incorrect?

SUCI decryption on the AUSF side

SUCI contains unencrypted parts

SUPI is encrypted on the UE side

SUPI type includes IMSI or NA1

183. Which one is used for fine-grained time-frequency offset tracking (frequency correction) in CSI-RS classification?

CSI-RS NZP

CSI-RS ZP

Tracking RS

CSI-RS IM

184. Which of the following descriptions about QFI is incorrect?

Used to identify a QoS Flow in the 5G system

Service flows with the same QFI in a PDU session receive the same service forwarding processing

QFI is unique in each UE

QFI is encapsulated in the protocol header of N3 and N9

185. In NSA networking, which of the following commands can be used to obtain the user's QCl information?

SN Status Transfer

RRC CONN RECFG

SgNB Add REQ

SgNB MOD REQ

186. Which message of eNODEB is used to send the NR measurement control message to the UE?

RRC connection reconfiguration completed

RRC connection reconfiguration

RRC connection re-establishment

RRC connection establishment

187. The larger the PRACH false alarm detection distance threshold, which of the following descriptions are correct? (Multiple choice)

The lower the probability of false alarm detection

Reduce the probability of poor coverage and inaccessibility at distant points

The higher the probability of false alarm detection

Increase the probability of poor coverage and inaccessibility at distant points

188. What is the update cycle of Huawei's wireless base station RNA?

54 min

20s

1500s

1200s

189. After the UE accesses the LTE network, which event will the LTE cell send to the UE to measure the NR cell signal?

190. In SA networking, if the handover preparation success rate is found to be too low, what factors should be focused on? (Multiple choice)

Xn link status

Target cell RF performance

x2 link status

Target cell load status

Page 20 of 23

191. Which of the following reported measurement events does not include the serving cell signal quality?

A2 Event

A4 incident

A1 event

A5 event

192. How many levels of QoS flows can a 5G terminal establish at most?

128

193. How many carrier aggregations does Huawei base station support in the high frequency band?

194. Which of the following identifiers is used to uniquely identify a user within the AMF?

5G-TMSI

5G-GUTI

5G-S-TMSI

GUAMl

195. Which of the following descriptions about SSB beams is incorrect?

2.4G~Sub3G, maximum 4 beams

Sub2.4G maximum 4 beams

Sub2G has a maximum of 4 beams

C-band with a maximum of 8 beams

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

The maximum number of PDSCH streams is 16

The maximum number of PUSCH streams is 8

The maximum number of PDCCH streams is 8

8T8R does not support PDCCH multiplexing

197. Which of the following descriptions of the process after the terminal detects the T310 timer timeout are correct? (Multiple choice)

SA network terminal may enter IDLE state

The NSA network triggers the terminal to initiate a reconstruction from the LTE network to the 5G network

NSA network terminal_reports SCG Faliure information NR to LTE, and releases 5G through LTE

SA network terminal may initiate other types of reconstruction.

198. Which is the interface between the 5G gNodeB and the core network user plane function?

199. 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

200. In the 5G system function-based architecture, which function belongs to the user plane function?

USF

UPF

SMF

Page 21 of 23

201. Which of the following descriptions about codeword stream mapping is incorrect?

The number of streams is equal to the number of beams

Different ports of a codeword share the same DMRS signal

In a multi-stream scenario, each narrow beam is equivalent to one stream.

Layer mapping is similar to serial-to-parallel conversion

202. In NSA scenario, how does UE obtain the SSB frequency number of the cell?

Scan and calculate the SSB frequency directly

gNB transmits the data to MeNB through X2 port, and MeNB sends the data through RRC signaling

UE passes blind detection and is calculated based on Global Raster

LTE system message notification

203. Which RNTI uses a fixed value? (Multiple choice)

SI-RNTI

P-RNTI

C-RNTI

I-RNTI

204. Uplink timing ensures that the TA (tmngadvance) value of all UEs in the same gNdeB is always kept at 0

True

False

205. For an idle UE, under what circumstances will the serving cell signal quality be measured by performing inter-frequency high-priority reselection of neighbor cells?

When the signal quality of the serving cell is less than a certain threshold

When the signal quality of the serving cell is greater than a certain threshold

When the signal quality of the serving cell is equal to a certain threshold

No requirements for service cell signal quality

206. When which of the following traffic requirements are met, the gNodeB will activate the configured SCell? (Multiple choice)

gNodeB determines that the BSR data volume is greater than or equal to the uplink SCell activation threshold

gNodeB determines that the amount of downlink RLC cache data is greater than or equal to the downlink Scell activation threshold

gNodeB determines that the BSR data volume is less than the uplink SCell activation threshold

gNodeB determines that the amount of downlink RLC buffered data is less than the downlink SCell activation threshold

207. Which of the following does not belong to access KPI?

Qos Flow establishment class KPI

RRC establishes class k o5

NGSIG establishes class KPI

Switch to KPI

208. Which of the following are the values of uplink 256QAM retransmission MCS? (Multiple choice)

209. EPS Fallback means that PSHO is triggered when establishing voice service bearer, and both voice and data fall back to LTE. Which network element performs the fallback?

SMF

AMF

gNodeB

210. NR uses the same HARQ mechanism for uplink and downlink. Which one is it?

Synchronous non-adaptive

Asynchronous non-adaptive 0650

Asynchronous Adaptation

Synchronous Adaptation

Page 22 of 23

211. If which event based on frequency priority is reported, the measurement based on frequency priority A4 will be stopped?

212. Which of the following scenarios may report carrier aggregation capabilities? (Multiple choice)

Reconstruction

Re-election

Initial Access

Switch in

213. In which message is the same-frequency neighbor cell offset Qoffset sent during SA network NR cell reselection?

SIB4

SIB3

SIB1

SIB2

214. The 5G spectrum range defined by 3GPP includes FR1 and FR2, of which Sub3G in FR1 is mainly occupied by existing 2/3/4G networks. Therefore, the main frequency band for commercial use is C band.

True

False

215. Which of the following descriptions about the relationship between 5QI and QFI is incorrect?

QFI can be dynamically allocated or equal to 5QI

QF I is not unique in a PDU session and can be dynamically allocated

If 5QI is used as the QFI of a QoS flow, the QoS flow must carry Non-GBRd services.

QFI value length is 6 bits, while 5QI length is 8 bits

216. 5G cell SRS resources can be used for beam management, codebook, and non-codebook selection.

True

False

217. SgNB Molification Request message can be used in which of the following scenarios? (Multiple choice)

Inter-site handover with SgNB triggered by MeNB

Changes of PSCell within SgNB triggered by SgNB

Intra-site handover with SgNB triggered by MeNB

SgNB bearer modification triggered by MeNB

218. Which of the following contents are included in the scheduling results of the downlink scheduler? (Multiple choice)

RANK

DMRS Resources

MCS

PDSCH time-frequency domain resources

219. When the terminal enters the RRC inactive state, which interfaces will the gNodeb maintain the user's connection? (Multiple choice)

NG-c

NG-u

220. When the PScel1 change fails, the UE will perform the RRC reconstruction process.

True

False

Page 23 of 23

221. Based on the CQI reported by the UE, how many MCS bits does the gNodeB convert into?

2bit

5bit

4bit

3bit

222. During the handover process in the SA network system, which of the following reasons will cause the target gNodeB side to fail to access? (Multiple choice)

The number of user connections is limited by license

Insufficient downlink transmission resources

PUCCH source allocation failed

SRS resource allocation failed

223. Which of the following descriptions of MR-DC capabilities are correct? (Multiple choice)

The Access Restriction List IE in the Update Location Answer message of the HSS indicates whether the HSS supports DCNR - DC in the wireless capability report to notify the site that the terminal supports NSA

MME carries the nResctrict information element to indicate that the user supports NR

The upperLayerIndication-r15 information element carried in LTE SIB2 indicates the base station's ability to support MR-DC

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