How many bits are the uplink power control commands in 5G?
- A . 1bit
- B . 2bit
- C . 3bit
- D . 4bit
Regarding 5G DRX parameter configuration, which description is wrong?
- A . The larger the DRX cycle, the better the UE power saving performance.
- B . On duration timer starts immediately when the UE enters the DRX cycle
- C . The larger the short DRX cycle timer is, the worse the UE power saving performance will be.
- D . The smaller the DRX Inactive timer, the better the UE power saving performance.
In the NSA networking scenario, which of the following neighbor cells does not require planning?
- A . Neighboring cells between 4G cells
- B . Neighboring cells between 5G cells
- C . Neighboring cells between 4G and 5G cells
- D . Neighboring cells between 5G and 4G cells
In Huawei base stations, what is the minimum aggregation level of PDCCH CCE?
- A . 1CCE
- B . 2CCE
- C . 4CCE
- D . 8CCE
In the ANR process, which system information of the neighboring cell does the UE need to read?
- A . SIB1
- B . SIB2
- C . SIB3
- D . SIB4
In CA, SCELL changes are triggered by which of the following events?
- A . A3
- B . A4
- C . A5
- D . A6
In high-frequency scenarios , how many carriers of CA can Huawei equipment currently support ?
- A . 2
- B . 3
- C . 4
- D . 5
Which event reporting is used to trigger CA Scell addition process?
- A . A3
- B . A4
- C . A5
- D . A6
Which of the following KPI indicators cannot be counted based on the community?
- A . RRC establishment success rate
- B . Switching success rate
- C . PRB utilization rate
- D . CPU utilization
In Huawei gNB, which protocol layer is the traffic statistics indicator based on?
- A . PDCP
- B . RLCO
- C . MACO
- D . PHY
If SCG addition based on traffic volume is enabled, which protocol layer’s service measurement is used to trigger by eNodeB?
- A . PDCP
- B . RLC
- C . MACG
- D . PHY
After NSA high load protection is turned on, which of the following option descriptions is correct?
- A . Reduce the scheduling priority of NSA UE Non-GBR services
- B . Reduce the scheduling priority of NSAUEGBR services
- C . Reduce the scheduling priority of ordinary 4GUE Non-GBR services
- D . Reduce the scheduling priority of ordinary 4GUE GBR services
In the PDCCH CCE aggregation level adjustment algorithm, which of the following parameters does gNB use as input?
- A . CQI Report
- B . PHR report
- C . MR report
- D . SRS measures SINR
Which of the following NSA frequency band combinations may have second-order intermodulation interference?
- A . B1+N41
- B . B3+N41
- C . B1+N78
- D . B3+N78
For 64TRX AAU , what is the maximum vertical scanning angle supported by SSB?
- A . 6
- B . 12
- C . 24
- D . 8
In Huawei base stations, when long format PUCCH is used, what is the fixed number of symbols?
- A . 4
- B . 7
- C . 12
- D . 14
Which of the following is the first step in the downlink beamforming process?
- A . Channel calibration
- B . Weight calculation
- C . Weighting
- D . Styling
In the PUSCH power algorithm, the path loss is calculated through the measurement of which channel?
- A . SSB
- B . CSI-RS
- C . PDCCH
- D . PDSCH
If SRS does not support independent power control, then the power control command of SRS is the same as which of the following channels?
- A . PRACH
- B . PUCCH
- C . PUSCH
- D . DMRS
What kind of measurement index is used in the outer loop power control of PUCCH?
- A . Power spectral density
- B . SINR
- C . BLER
- D . BER
How many logical channel groups can be defined in total for 5G uplink?
- A . 2
- B . 4
- C . 8
- D . 16
Which of the following types of services has the highest scheduling priority?
- A . User RRC signaling
- B . User VoIP service
- C . User Internet data service
- D . SIB message corner
In the inter-frequency switching scenario based on frequency priority, which of the following event measurement reports is used to trigger inter-frequency measurement?
- A . A1
- B . A2
- C . A3
- D . A4
During the handover preparation process, the source cell determines the target cell for handover based on which of the following parameters?
- A . Frequency point
- B . PCI
- C . TAC
- D . NCGI
Which of the following messages does the LTE network deliver the reselection parameters of the NR frequency point?
- A . SIB14
- B . SIB19
- C . SIB20
- D . SIB24
In the 5G inter-frequency reselection process, through which message does the terminal obtain the reselection priority?
- A . SIB2
- B . SIB3
- C . SIB4
- D . SIB5
Regarding the reselection from 4G to 5G, which of the following descriptions is correct?
- A . After reselecting to 5G, the terminal will initiate the TAU process
- B . There will be signaling interaction between EPC and 5GC during the reselection process.
- C . The usual scenario is reselection from high priority to low priority
- D . Normally, the UE will always measure the 5G level in the 4G idle state.
Which of the following RNTIs is not used for scrambling PDCCH?
- A . C-RNTI
- B . CS-RNTΠ
- C . SI-RNTI
- D . I-RNTI
How many CQI mapping tables are defined in NR?
- A . 1
- B . 2
- C . 3
- D . 4
Which of the following is not the possible bandwidth of CORESETO?
- A . 24RB
- B . 48RB
- C . 96RB
- D . 192RB
Which of the following is not a function of the RLC layer in NR?
- A . Data caching
- B . Data segmentation
- C . ARQ
- D . Data encryption
Which of the following formats PUCCH does not have DMRS?
- A . format0
- B . format1
- C . format2
- D . fbrmat3
How many formats of PUCCH channel?
- A . 2 types
- B . 3 types
- C . 4 types
- D . 5 kinds
Which of the following is a physical layer processing step unique to the DTF-S-OFDM waveform?
- A . Modulation
- B . Scrambling
- C . Transformer Precoding
- D . Layer mapping
Which of the following parameters determines the channel time domain position of PRACH?
- A . Logic root sequence
- B . NCS
- C . PRACH config index
- D . Frequency offest
In the Rell5 version, what is the maximum number of code words for PUSCH?
- A . 1
- B . 2
- C . 3
- D . 4
Regarding the description of PDSCH and PUSCH, which of the following descriptions is wrong?
- A . In the time domain, imaging can only be carried out through SLIV.
- B . The area can only be shot through RIV.
- C . In the time domain, it includes two formats: TypeA and TypeB.
- D . All need to include DMRS as relevant demodulation
What is the maximum number of PRBs contained in 1 RBG?
- A . 2
- B . 4
- C . 8
- D . 16
For the public PDCCH space, what is the minimum CCE format?
- A . 1CCE
- B . 2CCE
- C . 4CCE
- D . 8CCE
Regarding SSB measurement, which of the following descriptions is correct?
- A . Mainly used for CSI reporting measurements
- B . Views primarily used for mobility management
- C . As long as the center frequency of SSB is the same, it is the same frequency measurement.
- D . Only the central collar point of SSB is different, which means the measurement is different.
Regarding the switching mechanism of BWP, which of the following descriptions is wrong?
- A . The uplink and downlink of the TDD system must be switched at the same time
- B . The handover can be triggered by the base station or the terminal.
- C . The uplink and downlink of the FDD system can be switched independently
- D . Handover can only be triggered by the base station
Which of the following reference signal positions is related to PCI?
- A . PBCH DMRS
- B . PDSCH DMRS
- C . PDCCH DMRS
- D . CSI-RS
In 100MHz, 30KHz, SCS network, what is the maximum bandwidth of SRS?
- A . 270RB
- B . 271RB
- C . 272RB
- D . 273RB
When 4 downlink streams are used, which of the following configuration schemes for PDSCH DMRS has the highest overhead?
- A . type1 preceded by a single symbol
- B . type1 preceded by double symbols
- C . type2 preceded by a single symbol
- D . type2 preceded by double symbols
Regarding the description of the SSB physical cycle, which of the following descriptions is wrong?
- A . The physical cycle can be flexibly configured
- B . Send all SSB beams in a scanning manner in each cycle
- C . The smaller the period, the faster the UE searches for cells.
- D . The larger the period, the faster the UE searches for cells.
For the N78 frequency band, which of the following time slot ratios (downlink: uplink) can support the transmission of 8 SSB beams?
- A . DDDSU
- B . DSUUU
- C . DDDDSUDDSUU
- D . DDDDDDSUU
Which of the following BWPs is at the community level?
- A . InitialBWP
- B . DedicatedBWP
- C . ActiveBWP
- D . DefaultBWP
Regarding the SgNB release process under EN-DC, which of the following statements is wrong?
- A . The processes of normal release and abnormal release are basically the same.
- B . Divided into two scenarios: MENB triggering and SGNB triggering
- C . If the abnormal release is triggered by MENB, it must be a 4G problem.
- D . If the abnormal release is triggered by MENB, it may be a problem on the 5G side.
Under the Opiton3x architecture, if the SgNB addition process is triggered, a maximum of how many tunnels will be established on the X2-U interface?
- A . 1
- B . 2
- C . 3
- D . 4
In the RRC Inactive state, what is the scope of the UE paging message?
- A . LAC
- B . RAC
- C . TAC
- D . RNA
Under the Option3x architecture, during the dual connection establishment process, the eNB will send an ERAB Modify IND message to the MME. Which network element does the IP address carried in the message belong to?
- A . eNB
- B . gNB
- C . SGW
- D . UE
In a low-frequency scenario, how does the UE obtain the beam ID of the current SSB?
- A . Obtained through MIB message
- B . PBCH DMRS acquisition
- C . Obtaining through PBCH physical layer coding information
- D . Obtained through SIB1 message
Regarding UE access on the 5G side in the NSA scenario, which of the following descriptions is wrong?
- A . UE does not need to make cell selection decision
- B . Prioritize the basic randomly access process
- C . UE scans through sync rasteri to find the location of sSB
- D . The UE directly finds the location of the SSB based on the frequency number of the SSB.
Under NSA networking, the MR reported by the UE based on which event will trigger the SgNB release process?
- A . AI
- B . A2
- C . A3
- D . A4
Which of the following NAS messages will carry QFI parameters?
- A . Registration Request
- B . Registration Accept
- C . PDU Session Establishment Request
- D . PDU Session Establishment Accpet
What are the possible number of RBs for Preamble in the frequency domain?
- A . 4
- B . 20
- C . 24
- D . 273
In NSA networking, if the 5G SSB frequency configured on the eNodeB side is inconsistent with the actual one, which of the following problems will occur?
- A . eNodeB cannot deliver NR measurement configuration
- B . UE cannot report 5G measurement results
- C . gNodeB rejects the add request
- D . UE random access fails
Which protocol layer is the rate measured when filling packets on the 5G air interface?
- A . PDCP
- B . RLC
- C . MAC
- D . PHY
If the sequential delivery mechanism is adopted, which layer of protocol implements the reordering of the 5G air interface?
- A . SDAP
- B . PDCP
- C . RLC
If the terminal only supports the tig natural selection function, assuming that the SRS SINR is greater than the threshold of the SRS weight and the RANK reported by the UE is 3, then what method will the gNB use to calculate the beamforming weight?
- A . SRS measurement
- B . PML reporting
- C . Adopt simultaneously
- D . RI reporting
What is the maximum number of PDCCH blind detections by the UE in a time slot?
- A . 44 times
- B . 34 times
- C . 22 times
- D . 17 times
Which of the following content cannot be transmitted by PDCCH?
- A . PDSCH resource indication
- B . PUSCH resource indication
- C . PDSCH encoding format
- D . CQI Report
Which parameter in the MIB message indicates the time domain position of CORESETO?
- A . system frame number
- B . PDCCH-config SIB1 lower 4 bits
- C . PDCCH-config SIB1 high 4 bits
- D . SSB-subcarrier offset
Regarding the description of the RNA region, which of the following descriptions is incorrect?
- A . Used to control the paging range on the RAN side in RRC deactivation state
- B . Delivered to UE through SIB1 message
- C . Delivered to UE through RRC release message
- D . When the UE enters a new RNA region in the deactivated state, it will initiate the RNA update process.
In high-frequency scenarios, how does the UE obtain the beam ID of the current SSB?
- A . Fetching via MIB message
- B . PBCH DMRS acquisition
- C . Obtained through PBCH DMRSI and PBCH physical layer coding information
- D . Obtained through SIB1 message
In the SIB1 message, if the expected preamble power is -100dBm, the SSB transmit power is 18dBm, and the current RSRP is -90dBm, then what is the transmit power of the terminal’s first PRACH preamble?
- A . 10dBm
- B . -108dBm
- C . 8dBm
- D . -118dBm
In Huawei base stations, what is the maximum number of streams for PDCCHMU-MIMO spatial division multiplexing?
- A . 1
- B . 2
- C . 3
- D . 4
In Huawei base stations, which of the following SRS resources are only used for high-frequency networking?
- A . Codebook
- B . Non-codebook
- C . Antenna switching
- D . Dem management
In intra-frequency handover, which can achieve handover to a specific neighboring cell easier?
- A . Add neighbor CIO
- B . Reduce neighbor CIO
- C . Increase Qhyst
gNB triggers the blind redirection process based on the reporting of which of the following events?
- A . AI
- B . A2
- C . A3
- D . A4
Which of the following parameters will not appear in the SCG configuration message?
- A . T304
- B . SSB transmit power
- C . Cell frequency point
- D . SSB points
During the NSA access process, if the terminal fails to randomly access the NR side, what process will the terminal initiate afterwards?
- A . RRC link reestablishment
- B . Report SCG Failure Info
- C . Submit 5G measurement report
- D . RRC request
During the drive test, if the downlink MCS is low, is it related to the quality of which of the following channels?
- A . SSB
- B . PDCCH
- C . PDSCH
- D . CSI-RS
Regarding the description of 5G wireless cell power design, which of the following is incorrect?
- A . Regarding the description of 5G wireless cell power design, which of the following is incorrect?
- B . PDSCH power affects service channel coverage and MCS
- C . PDCCH power affects scheduling success rate
- D . Reference signal CSI-RS power mainly affects neighboring cell handover and reselection.
In PLMN selection, which of the following PLMNs has the highest priority?
- A . HPLMN
- B . EHPLMN
- C . VPLMN
- D . RPLMN
In general scenarios, what is a reasonable IBLER target value setting for PDSCH?
- A . 0.05
- B . 01
- C . 0.15
- D . 0.2
Compared with LTE, which layer of NR has new sorting and copying functions?
- A . PDCP
- B . RLC
- C . MAC
- D . Physical layer
Which of the following COREST is used for RMSI scheduling?
- A . CORESTO
- B . COREST1
- C . COREST5
- D . COREST8
If SCG Split Bearer is used, which of the following will be used to split user plane data?
- A . RLC layer of SgNB
- B . PDCP layer of SgNB
- C . PDCP layer of MeNB
- D . MAC layer of SgNB
Regarding the impact of uplink and downlink decoupling on LTE, which of the following descriptions is incorrect?
- A . There may be interference between NRSU and LTE UL
- B . Causes congestion on TE uplink spatial spectrum/RB
- C . Requires power control coordination between NR and LTE
- D . Requires joint resource scheduling between NR and LTE
PUCCH format 0 and format 1 can only transmit less than how many bits of data, so they are mainly used for CSI reporting?
- A . 1
- B . 2
- C . 13
- D . 14
Regarding PDCCH resources, which of the following descriptions is incorrect?
- A . CCE is the smallest resource unit transmitted by PDCCH
- B . A CORESET can contain multiple CCEs
- C . 1 CCE contains 6 REGs
- D . One REG corresponds to 1 RB in the frequency domain and 1 symbol in the time domain.
Which of the following parameters is used to indicate the best CSI-RS beam?
- A . CRI
- B . PMI
- C . CQI
- D . RI
Which of the following parameters indicates the bit rate that the network guarantees to provide to QoS Flow within the average time window?
- A . GFBR
- B . 5QI
- C . ARP
- D . QF
Which of the following modulation methods are used in the PUCCH and PDCCH channels in NR?
- A . QPSK
- B . PSK
- C . 16QAM
- D . 64QAM
Which of the following bearers is used in NSA dual connectivity scenario?
- A . SRB0
- B . SRB1
- C . SRB2
- D . SRB3
Regarding the advantages of ray tracing models, which of the following statements is incorrect?
- A . Level prediction accuracy is higher
- B . Massive MIMO can be modeled more accurately
- C . More accurate electromagnetic wave propagation path search and reflection and diffraction energy calculation
- D . It can only be used for C wave and cannot be used for room meter wave.
Which of the following is the adjustment granularity of the 5GAAU adjustable electrical downtilt angle?
- A . 0.5
- B . 1°
- C . 0.19
- D . 2°
Regarding the description of 5G neighborhood planning, which of the following is incorrect?
- A . For base stations in suburbs and suburban counties, the adjacent ones must be regarded as neighboring cells to ensure timely switching and avoid call drops.
- B . In the case of 4G/5G co-location, if the 4G/5G frequencies are close, you can make full use of 4G neighbor cells to set up 5G neighbor cells, improve the accuracy of neighbor cell planning, and reduce the workload of subsequent neighbor cell optimization.
- C . If the 5G frequency band is relatively independent, taking into account the difference in coverage, neighboring cells need to be configured according to other principles.
- D . In the case of 4G/5G co-location, the 5G neighbor cells can be configured exactly as the 4G neighbor cells.
SCel deletion is based on which of the following measurement events?
- A . A2
- B . A5
- C . A6
- D . B1
Assuming that the current SINR is 30dB and the CSI-RS RSRP is -70dBm, which of the following aggregation levels is recommended for CCE?
- A . Aggregation level 2
- B . Aggregation level 4
- C . Aggregation level 8
- D . Aggregation level 16
If two or more cells with the same frequency and same PCI are geographically adjacent to each other, the signals in the overlapping area between the cells will interfere with each other, and the UE cannot correctly demodulate the signal in the overlapping area, resulting in an increase in the call drop rate on the existing network. High, the PCI conflict in this case is called which of the following?
- A . PCI remixing
- B . PCI Orthogonal
- C . PCI collision
- D . PCI mode 3 interference
For cross-operator boundary scenarios, if such neighboring cells are not added to the NCL and NRT tables, the UE will repeatedly read the CGI and may result in selecting the wrong handover target cell. Therefore, it is recommended that such different operator PLMNs be Which of the following PLMN lists should be set to?
- A . Blacklist
- B . Gray list
- C . Whitelist
- D . Red list
In NSA networking, in order to support the neighbor cell self-configuration function in the NR system or the LTE automatic configuration NR neighbor cell function, which of the following system messages does the NR cell need to send?
- A . SIB1
- B . SIB2
- C . SIB3
- D . SIB8
If the SCell co-channel neighbor cell level value is higher than SCell by a certain threshold , which of the following events will be triggered?
- A . A1
- B . A2
- C . A5
- D . A6
Which of the following technologies has the disadvantage of relatively high peak average power and the advantages of flexible resource allocation and large frequency diversity gain?
- A . FDM
- B . TDM
- C . CP-OFDM
- D . DFT-S-OFDM
If the reason value carried in the SgNB_Add_Reject message is Transport resource not available, which of the following may be the cause of the problem?
- A . 5G side transmission failure leads to access rejection
- B . Insufficient license for the number of users in the 5G community
- C . Insufficient License
- D . Insufficient PDSCH resources
What is the maximum level that the downlink 64QAM MCS can reach?
- A . 25
- B . 27
- C . 28
- D . 32
Which of the following values must be exceeded by the UE camping in the current serving cell to trigger cell reselection to a high-priority cell?
- A . 1 room second
- B . 10 room seconds
- C . 1 second
- D . 1 minute
When the source gNodeB receives which of the following signalings from the target gNodeB? N.HO.IntraFreq.Xn.lntergNB.ExecSuccOut will be increased by 1 time.
- A . HANDOVERREQUESTACKNOWLEDGE
- B . UE CONTEXT RELEASE
- C . MeasurementReport
- D . PRACH Access