Valid H35-561-ENU Exam Q&A PDF H35-561-ENU Dump is Ready (Updated 62 Questions)
Exam Questions and Answers for H35-561-ENU Study Guide
NEW QUESTION 30
Large shopping malls and stations often have problems of insufficient depth coverage and high traffic, and what key technologies of Massive MIMO can be used to solve these problems?
- A. MU-BF
- B. Uplink receive diversity
- C. Uplink MU-MIMO
- D. 3D-BF
Answer: A,B,C
NEW QUESTION 31
When LTE air interface paging is congested, which of the following parameters can be modified to significantly improve the paging capacity of the air interface?
- A. paging level
- B. Number of paging groups
- C. Root sequence index
- D. Preamble format
Answer: B
NEW QUESTION 32
In which of the following messages will the tracking area information be sent to the MME for consistency check?
- A. RRC: RRC connection request
- B. S1AP: S1 setup request
- C. S1AP: Initil context setup request
- D. S1AP: E-RAB setup request
Answer: B
NEW QUESTION 33
The default path for saving logfile is C\Program Files\Logfile.
- A. False
- B. True
Answer: A
NEW QUESTION 34
If the VoLTE call fails, what are the possible reasons? (Multiple Choice)
- A. Proprietary bearer establishment failed
- B. Domain selection failed
- C. Codec negotiation failed
- D. Billing failure
Answer: A,B,C,D
NEW QUESTION 35
Regarding TA LIST, which are the correct descriptions of the following? (Multiple choice)
- A. When calling a UE in an idle state, paging may be performed on all TA in a TA list or may be paged in a partial TA in the TA list according to some optimization algorithms.
- B. TA List cannot span the MME and S-GW service range currently selected by the UE.
- C. The UE is not allowed to initiate the TAU process when moving within the TA List.
- D. MME for the UE allocated TA List maximum can be contained in the TA number, the terminal is capable of storing a maximum number of 16th
Answer: A,B,D
NEW QUESTION 36
Which of the following options are advantages of space division multiplexing? (Multiple choice)
- A. System capacity can be improved
- B. Does not change the existing distributed antenna structure, only the signal source access mode changes
- C. User peak rate can be improved
- D. Convenient construction
Answer: A,B,D
NEW QUESTION 37
After receiving the air interface switch command, the UE initiates the reestablishment and receives the message that the rebuild is rejected. What are the possible reasons for the failure of the entire process? (Multiple choice)
- A. Reconstructing the target cell without context information of the UE
- B. Switching target cell channel fluctuations cause random-access failure
- C. The reconstruction target cell may be a third-party cell
- D. The source cell initiates a handover cancellation process.
Answer: A,B,C
NEW QUESTION 38
Which S1 message is used to trigger the CSFB service?
- A. Initial UE message
- B. Service request
- C. Initial UE context establishment response
- D. Extended service request
Answer: D
NEW QUESTION 39
In the LTE system, which of the following sequences is generated by the preamble sequence?
- A. ZC sequence
- B. M sequence
- C. midamble code
Answer: A
NEW QUESTION 40
In LTE, determine the strength of the received signal on the uplink base station side, and which indicator is mainly adopted through the cell coverage edge?
- A. CRS-SINR
- B. DL MAC BLER
- C. Path loss pathloss
- D. MCS scheduling value
Answer: C
NEW QUESTION 41
What are the conditions for reselecting E-UTRAN or different system frequency cells with lower priority than the serving cell? (Multiple Choice)
- A. The cell of the service frequency or the equal priority E-UTRA frequency does not satisfy the reselection criteria.
- B. Within the time interval TreselectionRAT, SServingCe11<Threshserving,low (service carrier low threshold) and low priority E-UTRAN have a cell SnonServingCe11,x>Threshx,low
- C. The E-UTRAN frequency or the different system frequency of the cell with higher priority than the service frequency does not satisfy the reselection criterion.
- D. The UE stays in the current serving cell for more than 1 s.
Answer: A,B,C,D
NEW QUESTION 42
Under the LTE network, the TA is used for paging location management, so the smaller the TA plan is, the better.
- A. False
- B. True
Answer: A
NEW QUESTION 43
Regarding NB-IoT, which of the following descriptions are correct? (Multiple choice)
- A. Need large bandwidth to meet demand
- B. Currently, TDD LTE system does not support NB-IoT technology.
- C. Longer DRX and paging cycles are required to save power
- D. NB-IoT supports 3 different deployment modes, namely independent deployment, protection band deployment, and in-band deployment.
Answer: B,C,D
NEW QUESTION 44
On which channels is the E-UTRAN system message (SI) sent? (Multiple Choice)
- A. PBCH
- B. PDCCH
- C. PDSCH
- D. PRACH
Answer: A,C
NEW QUESTION 45
In LTE system, how many codewords can a TTI pass up to?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 46
The power back-off under carrier aggregation is mainly to avoid power shortage when the two downlink carriers are aggregated.
- A. False
- B. True
Answer: A
NEW QUESTION 47
What kind of logos are the same across the entire network? (Multiple Choice)
- A. SPS-CRNTI
- B. RA-RNTI
- C. P-RNTI
- D. SI-RNTI
Answer: B,C,D
NEW QUESTION 48
Which of the following parameters are unique to GBR bearers (Non GBR does not have this parameter)? (Multiple Choice)
- A. QCI
- B. MBR
- C. GBR
- D. AMBR
Answer: B,C
NEW QUESTION 49
Which of the following is a handover timer in the LTE system?
- A. T3412
- B. T304
- C. T300
- D. T302
Answer: B
NEW QUESTION 50
Which system carries the cell reselection control parameters of the 2G network in the LTE system?
- A. SIB7
- B. SIB8
- C. SIB6
- D. SIB5
Answer: A
NEW QUESTION 51
Regarding the analysis of the problem of dropped calls, which of the following descriptions is wrong?
- A. Check the coverage of the dropped calls and eliminate the dropped calls caused by the coverage problems.
- B. Analyze the signaling process before the call drop, and find the cause of the dropped call.
- C. Call re-establishment can be considered as a dropped call
- D. Check whether the working status of the base station is normal and whether there are alarms that may affect the service.
Answer: C
NEW QUESTION 52
Which reason does the RRC connection setup failure not include?
- A. eNodeB rejects user access
- B. Authentication failure
- C. Weak coverage
Answer: B
NEW QUESTION 53
Which of the following are LTE network optimization goals? (Multiple choice)
- A. As much forward reverse capacity as possible
- B. Reasonable front reverse coverage
- C. As large a reverse capacity as possible
- D. Good performance indicators
Answer: A,B,C,D
NEW QUESTION 54
Which of the following is not a feature of using the outdoor macro station to penetrate the indoor solution?
- A. Easy to exist coverage blind zone
- B. Guaranteed depth coverage
- C. Easy to deploy, low total cost
- D. High transmission power
Answer: B
NEW QUESTION 55
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