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Best Quality Huawei H31-411-ENU Exam Questions
NEW QUESTION 156
The USB port on the UMPT board can be used for near-end opening.
- A. True
- B. False
Answer: A
NEW QUESTION 157
Which of the following is an airspeed boosting technology?
- A. QAM
- B. PSK
- C. High-order modulation
- D. QPSK
Answer: C
NEW QUESTION 158
PUCCH is used to carry uplink scheduling request information to the eNodeB.
- A. True
- B. False
Answer: A
NEW QUESTION 159
An eNodeB can only belong to one TAC.
- A. False
- B. True
Answer: A
NEW QUESTION 160
What is the resource granularity of the PDCCH physical channel?
- A. CCH
- B. CCM
- C. CCE
- D. CCT
Answer: C
NEW QUESTION 161
Which of the following is the network element saved by the user's authentication data?
- A. HLR/HSS
- B. MME
- C. VLR
- D. SGW
Answer: A
NEW QUESTION 162
Which of the following is the maximum number of TA in a TA List?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 163
Cell parameter information, including PLMNID, Cell ID, TAC (Tacking Area), cell access and selection parameters, etc., which of the following system messages are broadcast?
- A. SIB2
- B. SIB3
- C. SIB1
- D. MIB
Answer: C
NEW QUESTION 164
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 165
In the Uu interface, the entity at the layer 3 control plane is RRC.
- A. True
- B. False
Answer: A
NEW QUESTION 166
Which of the following descriptions are correct about the proprietary bearer? (Multiple choice)
- A. Proprietary bearer activation can only be initiated by the network side
- B. When all proprietary bearers are deactivated, the corresponding PDN connection will also be deactivated.
- C. The purpose of the proprietary bearer activation is to establish a special QoS (Quality of Service) and TFT (Traffic Flow Template) bearer between the UE and the EPC to meet the requirements of a certain service (such as video, voice, real-time industrial control).
- D. The proprietary bearer activation may be triggered by the UE or may be initiated by the network side.
Answer: C,D
NEW QUESTION 167
Which of the following interfaces uses both the GTP-C protocol and the CTP-U protocol?
- A. S5/S8
- B. S1-MME
- C. S6a
- D. S11
Answer: A
NEW QUESTION 168
LTE inter-frequency handoff can be based on which of the following events? (Multiple Choice)
- A. A5
- B. A3
- C. A4
- D. B1
Answer: A,B,C
NEW QUESTION 169
In the switching process, MME choose other MME is based on which of the following information?
- A. GUTI
- B. TAI
- C. APN
- D. None of the above
Answer: B
NEW QUESTION 170
Which of the following are the FFT sizes that LTE support? (Multiple choice)
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
- F. 5
- G. 6
- H. 7
- I. 8
Answer: A,B,D,E,G,I
NEW QUESTION 171
When expanding CP, 1 PRB contains 84 symbols.
- A. False
- B. True
Answer: A
NEW QUESTION 172
In LTE, which of the following physical channels are the BCCH mapped to? (Multiple Choice)
- A. PBCH
- B. PDCCH
- C. BCH
- D. PDSCH
Answer: A,D
NEW QUESTION 173
The UE implements uplink synchronization by searching for a PSS signal and an SSS signal.
- A. False
- B. True
Answer: A
NEW QUESTION 174
Which of the following is an MML command to query the number of users on the ENodeB?
- A. DSP CELL
- B. DSP SECTOR
- C. DSP S1INTERFACE
- D. DSP MME
Answer: C
NEW QUESTION 175
Which of the following interfaces apply the GTP-U protocol? (Multiple choice)
- A. S5/S8
- B. S6a
- C. S1-U
- D. S11
Answer: A,C
NEW QUESTION 176
What is the main reason for the low latency of LTE?
- A. Optical fiber transmission
- B. Good terminal performance
- C. LTE base station processing capability is strong
- D. Network structure flattening
Answer: D
NEW QUESTION 177
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