[Sep-2021] Huawei-certification H31-411-ENU Exam Practice Dumps
2021 H31-411-ENU Premium Files Test pdf - Free Dumps Collection
NEW QUESTION 32
Two RRU3151(e)-fae doubles can support 2T2R configuration.
- A. True
- B. False
Answer: A
NEW QUESTION 33
SRB1 can only be used to carry RRC signaling.
- A. False
- B. True
Answer: A
NEW QUESTION 34
Which of the following frequency band is supported by RRU3168?
- A. 1800MHz
- B. 1900MHz
- C. 800MHz
- D. 2100MHz
Answer: B
NEW QUESTION 35
Huawei eNodeB support free oscillations inside the clock, so when can't provide the clock scheme, you can turn this feature instead of GPS.
- A. False
- B. True
Answer: A
NEW QUESTION 36
As long as the ANR switch is turned on, the inter-frequency ANR function will take effect even if there is no matching frequency.
- A. False
- B. True
Answer: A
NEW QUESTION 37
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 38
Which of the following identities are not bearer/PDP for LTE? (Multiple choice)
- A. Power control is one of the functions at the MAC layer
- B. Power control is to ensure the quality of service
- C. Power control can improve coverage and capacity
- D. The purpose of power control is to save energy
Answer: B,C,D
NEW QUESTION 39
CPRI interfaces link-state lamp light, red light 1s on, 1s off means?
- A. CPRI link normal
- B. optical module transceiver abnormal
- C. CPRI lost lock or RRU exist a standing wave on CPRI link
- D. CPRI link on the radio frequency module of hardware failure
Answer: C
NEW QUESTION 40
Which gain of MIMO can increase the peak rate of the UE?
- A. Array gain
- B. Diversity gain
- C. Interference suppression gain
- D. Spatial multiplexing gain
Answer: D
NEW QUESTION 41
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 42
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 43
Which QCI does IMS signaling correspond to?
- A. QCI1
- B. QCI2
- C. QCI5
- D. QCI 9
Answer: C
NEW QUESTION 44
In the LTE system, which of the following carrier bandwidths can be configured? (Multiple choice)
- A. 20 MHz
- B. 5 MHz
- C. 8 MHz
- D. 10 MHz
- E. 15 MHz
Answer: A,B,D,E
NEW QUESTION 45
Which of the following description about TA List is not correct?
- A. Network to the user paging will work all TA in the TA list
- B. TA List can in the process of attachment, TAU or GUTI reallocation, allocated by the ENODEB to UE
- C. For UE registered tracking area, if in the same TA List, by the same MME to provide services to reduce update signaling
- D. Reasonable TA List distribution mode and design method can effectively reduce the probability of TAU, improve resource utilization
Answer: B
NEW QUESTION 46
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 47
Which of the following is incorrect about EPC deployment?
- A. EPDG can be deployed to access non-3GPP networks
- B. HSS can be combined with HLR
- C. SGW and PGW cannot be separated
- D. Multiple MMEs can form POOL
Answer: C
NEW QUESTION 48
Which of the following statements about cell merge are correct? (Multiple choice)
- A. the merge cell reduces switching, and expands the coverage range of the single cell
- B. different RRU uses unused PCI after cell merged.
- C. After cell merging, all RRU covering use the same cell ID
- D. refers to a plurality of RRU coverage area combined into one logical cell
Answer: A,C,D
NEW QUESTION 49
The door magnetic sensor has the function of monitoring the opening and closing information of the door, and has the same position in the APM30H/RFC/TM11H, IBBS200D/IBBS200T, IBBS300D/IBBS300T, and IBBS20D cabinets.
- A. True
- B. False
Answer: A
NEW QUESTION 50
Which of the following modules does the AAU function module include? (Multiple Choice)
- A. RU
- B. CU
- C. Power Module
- D. AU
Answer: A,C,D
NEW QUESTION 51
Which of the following radio bearer is used to carry RRC messages and mapped to the CCCH?
- A. SRB1
- B. SRB0
- C. SRB2
- D. MIB
Answer: B
NEW QUESTION 52
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