Latest [Sep 12, 2021] Huawei H31-411-ENU Exam Practice Test To Gain Brilliante Result
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NEW QUESTION 67
Which of the following statements are wrong?
- A. BCCH may be mapped to DL-SCH
- B. DTCH is mapped to MCH
- C. BCCH may be mapped to BCH
- D. CCCH is mapped to DL-SCH
Answer: B
NEW QUESTION 68
Which of the following is the authentication parameter used by the LTE/EPC network?
- A. Five-tuple
- B. Six-tuple
- C. quadruple
- D. All of the above are correct
Answer: C
NEW QUESTION 69
Which of the following processes can the UE perform when it is in the RRC_IDLE state? (Multiple choice)
- A. Get system messages
- B. Listening to paging messages
- C. Periodic TAU
- D. Provide channel quality and feedback information
Answer: A,B,C
NEW QUESTION 70
In the configuration scenario of the 6X20M 8T8R, you can configure an LBBPd board.
- A. False
- B. True
Answer: A
NEW QUESTION 71
If negotiation mode of UMPT single board FE/GE optical interface on both ends are inconsistent, the optical interface may be down, after a period will resume for auto-negotiation.
- A. False
- B. True
Answer: A
NEW QUESTION 72
Which of the following formats are supported for LTE data configuration files to export? (Multiple choice)
- A. TXT
- B. DBS
- C. MML
- D. XML
Answer: B,D
NEW QUESTION 73
In the Uu interface protocol stack, the PDCP protocol entity implements IP header compression function on the control plane.
- A. False
- B. True
Answer: A
NEW QUESTION 74
SRB1 can only be used to carry RRC signaling.
- A. False
- B. True
Answer: A
NEW QUESTION 75
UBBPda supports both TDD LTE and FDD LTE.
- A. False
- B. True
Answer: A
NEW QUESTION 76
In LTE system, the sub-carrier spacing can be? (Multiple choice)
- A. 20kHz
- B. 7.5kHz
- C. 10.94kHz
- D. 15kHz
Answer: B,D
NEW QUESTION 77
Which of the following represents MIMO 2T2R SFBC?
- A. Spatial multiplexing, high rate
- B. Spatial multiplexing, the rate is not high
- C. Send diversity, the rate is not high
- D. Send diversity, high rate
Answer: C
NEW QUESTION 78
Which of the following is Huawei's tools for LTE road test?
- A. Unet
- B. Omstar
- C. probe
- D. RND
Answer: C
NEW QUESTION 79
After the network attach successfully and the default bearer is established, which of the following is the EMM status and the ECM status of the UE?
- A. Deregistered , Idle
- B. Registered , Idle
- C. Registered , Connected
- D. Deregistered , Idle
Answer: C
NEW QUESTION 80
Which of the following logical channels can be mapped to DL-SCH? (Multiple choice)
- A. DCCH
- B. CCCH
- C. DTCH
- D. PCCH
Answer: A,B,C
NEW QUESTION 81
LTE supports the duplex mode of TDD and FDD.
- A. True
- B. False
Answer: A
NEW QUESTION 82
The SAE-GW is a combination of two network elements, SGW and PGW.
- A. True
- B. False
Answer: A
NEW QUESTION 83
Which of the following MML parameters is assigned to the specified reference clock source when the dual mode is shared?
- A. SYNCETH+IPCLK
- B. PEERCLK
- C. LINECLK
- D. GPS
Answer: B
NEW QUESTION 84
In LTE, which of the following is the minimum granularity of scheduling in the time domain?
- A. 0.5ms
- B. 20ms
- C. 10ms
- D. 1ms
Answer: D
NEW QUESTION 85
Which layer is HARQ deployed in?
- A. PDCP
- B. RLC
- C. MAC
- D. Physics
Answer: C
NEW QUESTION 86
Implementation of MIMO technology needs to avoid inter-antenna interference (IAI).
- A. True
- B. False
Answer: A
NEW QUESTION 87
Which of the following command can query the model and supported band of RRU?
- A. DSP RRU
- B. DSP BRDMFRINFO
- C. DSP BRD
- D. LST RRU
Answer: B
NEW QUESTION 88
Which of the following is the hardware structure of a typical U2000? (Multiple choice)
- A. U2000 server
- B. Alarm box and some networking devices
- C. U2000 hardware accessories
- D. U2000 client
Answer: A,B,D
NEW QUESTION 89
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