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السؤال #1
In the contention-based random access procedure, which of the following is related to the time- frequency position of the PRACH used by the UE?
A. PCI
B. BWP
C. SSB beam ID
D. C-RNTI
عرض الإجابة
اجابة صحيحة: B
السؤال #2
If the configuration data of a new BTS5900 base station cannot be loaded remotely, which of the following can be used to for local data configuration?
A. oading through the MAE
B. oading through the Web LMT
C. oading through the PnP mode
D. oading through the centralized maintenance system
عرض الإجابة
اجابة صحيحة: C
السؤال #3
Which of the following actions will trigger SgNB release by the MeNB?
A. The UE inactivity timer on the NR side expires
B. An inter-SgNB cell change occurs
C. The MeNB detects that the X2 link is abnormal
D. The air interface link on the NR side is abnormal, and a UE reports SCG Failure Info to the eNodeB
عرض الإجابة
اجابة صحيحة: AD
السؤال #4
Which of the following statements about PDSCH DMR5 is incorrect?
A. The start symbol of a front-loaded DMRS of a type B PDSCH is always the first symbol of PDSCH
B. The front-loaded DMRS is mandatory, and the additional DMRS is optional
C. The overhead of type 1 DMRS is less than that of type 2 DMRS
D. The start symbol of a front-loaded DMRS of a type A PDSCH can be symbol 2
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Which of the following parameters in core network subscription information restricts the non-GBRrate for a UE?
A. E-AMBR
B. INR
C. BR
D. BR
عرض الإجابة
اجابة صحيحة: A
السؤال #6
Which of the following parameters In the NR MIB message indicates the time-domain position of CORESET 0?
A. ASystem frame number
B. BMost significant four bits of PDCCH-configSIBl
C. CSSB-subcarrier offset
D. DLeast significant four bits of PDCCH-configSIBl
عرض الإجابة
اجابة صحيحة: D
السؤال #7
Which of the following boards do not support 5G?
A. MPTc
B. MPT
C. MPTe
D. MPTb
عرض الإجابة
اجابة صحيحة: BD
السؤال #8
As defined in 3GPP, the cell-specific reference signal (CRS) that is always sent in LTE cells is not used in NR, reducing Interference under light loads and control channel overhead.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #9
Which of the following statements about NR subcarriers are incorrect?
A. The larger the subcarrier spacing, the larger the number of symbols
B. The smaller the subcarrier spacing, the larger the CP length and the more suitable it becomes for wide coverage
C. The smaller the subcarrier spacing, the lower the power spectral density
D. The larger the subcarrier spacing, the larger the slot length
عرض الإجابة
اجابة صحيحة: ABD
السؤال #10
If the dock of a base station is locked and the base station fails to obtain clock source signals, which of the following clock states is the base station in?
A. ALocked
B. BHoldover
C. CFree running
D. DFast tracking
عرض الإجابة
اجابة صحيحة: B
السؤال #11
Which of the following statements about NR subcarriers are incorrect?
A. The larger the subcarrier spacing, the larger the number of symbols
B. The smaller the subcarrier spacing, the larger the CP length and the more suitable it becomes for wide coverage
C. The smaller the subcarrier spacing, the lower the power spectral density
D. The larger the subcarrier spacing, the larger the slot length
عرض الإجابة
اجابة صحيحة: ABD
السؤال #12
Which of the following synchronization rasters can be used by a UE during a cell search?
A. 7
B. 200kHz
C.
D. 00kHz
عرض الإجابة
اجابة صحيحة: ABC
السؤال #13
Which of the following commands is used to map DSCPs and VLAN priorities?
A. OD PHBMAP
B. ET DSCPMAP
C. OD DSCPMAP
D. ET PHBMAP
عرض الإجابة
اجابة صحيحة: D
السؤال #14
Which of the following parameters in core network subscription information restricts the non-GBR rate for a UE? In 5G Core network, the core network subscription information contains parameters that are used to manage the resources of a UE. 1. UE-AMBR (UE Aggregate Maximum Bit Rate) : It's the maximum bit rate that is allocated to a UE for non-guaranteed bit rate (non-GBR) services. It controls the non-GBR rate for a UE.
A. UE-AMBR
B. SINR
C. MBR
D. GBR
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Which of the following commands is used to map DSCPs and VLAN priorities?
A. MOD PHBMAP
B. SET DSCPMAP
C. MOD DSCPMAP
D. SET PHBMAP
عرض الإجابة
اجابة صحيحة: D
السؤال #16
Which of the following statements about NR subcarriers are incorrect?
A. The larger the subcarrier spacing, the larger the number of symbols
B. The smaller the subcarrier spacing, the larger the CP length and the more suitable it becomes for wide coverage
C. The smaller the subcarrier spacing, the lower the power spectral density
D. The larger the subcarrier spacing, the larger the slot length
عرض الإجابة
اجابة صحيحة: ABD
السؤال #17
As defined in 3GPP, the cell-specific reference signal (CRS) that is always sent in LTE cells is not used in NR, reducing Interference under light loads and control channel overhead.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #18
Which of the following actions will trigger SgNB release by the MeNB?
A. The UE inactivity timer on the NR side expires
B. An inter-SgNB cell change occurs
C. The MeNB detects that the X2 link is abnormal
D. The air interface link on the NR side is abnormal, and a UE reports SCG Failure Info to the eNodeB
عرض الإجابة
اجابة صحيحة: AD
السؤال #19
Which of the following actions will trigger SgNB release by the MeNB?
A. The UE inactivity timer on the NR side expires
B. An inter-SgNB cell change occurs
C. The MeNB detects that the X2 link is abnormal
D. The air interface link on the NR side is abnormal, and a UE reports SCG Failure Info to the eNodeB
عرض الإجابة
اجابة صحيحة: AD
السؤال #20
As defined in 3GPP, the cell-specific reference signal (CRS) that is always sent in LTE cells is not used in NR, reducing Interference under light loads and control channel overhead.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #21
Which of the following statements about PDSCH DMR5 is incorrect?
A. The start symbol of a front-loaded DMRS of a type B PDSCH is always the first symbol of PDSCH
B. The front-loaded DMRS is mandatory, and the additional DMRS is optional
C. The overhead of type 1 DMRS is less than that of type 2 DMRS
D. The start symbol of a front-loaded DMRS of a type A PDSCH can be symbol 2
عرض الإجابة
اجابة صحيحة: A
السؤال #22
Which of the following slots retains the same physical position on both the BBU5900 and BBU3910?
A. ASIot6
B. BSIot2
C. CSlot7
D. DSlot1
عرض الإجابة
اجابة صحيحة: D
السؤال #23
In SA networking, incorrect TAC configurations will cause UE access to fail. In SA networking, incorrect TAC configurations will cause UE access to fail. This is because the UE must be assigned a specific TAC value in order to be allowed to access the network. If the TAC value is incorrect, the UE will not be able to access the network. Reference: https://www.qualcomm.com/invention/5g/standalone-networking-5g-sa-networks
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #24
Which of the following parameters In the NR MIB message indicates the time-domain position ofCORESET 0?
A. ystem frame number
B. ost significant four bits of PDCCH-configSIBl
C. SB-subcarrier offset
D. east significant four bits of PDCCH-configSIBl
عرض الإجابة
اجابة صحيحة: D
السؤال #25
Which of the following statements about PDSCH DMR5 is incorrect?
A. The start symbol of a front-loaded DMRS of a type B PDSCH is always the first symbol of PDSCH
B. The front-loaded DMRS is mandatory, and the additional DMRS is optional
C. The overhead of type 1 DMRS is less than that of type 2 DMRS
D. The start symbol of a front-loaded DMRS of a type A PDSCH can be symbol 2
عرض الإجابة
اجابة صحيحة: A
السؤال #26
In the contention-based random access procedure, which of the following is related to the time- frequency position of the PRACH used by the UE?
A. PCI
B. BWP
C. SSB beam ID
D. C-RNTI
عرض الإجابة
اجابة صحيحة: B
السؤال #27
In IEEE 1588V2 frequency synchronization, all intermediate transmission devices must support the IEEE 1588V2 protocol.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #28
As defined in 3GPP, the cell-specific reference signal (CRS) that is always sent in LTE cells is not used in NR, reducing Interference under light loads and control channel overhead.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Which of the following parameters in core network subscription information restricts the non-GBR rate for a UE?
A. BR
B. E-AMBR
C. BR
D. INR
عرض الإجابة
اجابة صحيحة: B
السؤال #30
When a GPS divider is used, the maximum distance between the GPS antenna and the BBU isshortened.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A

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