2021 H35-561 dumps review - Professional Quiz Study Materials
H35-561 Test Prep Training Practice Exam Questions Practice Tests
NEW QUESTION 23
Which one of the following factors does not need to be considered by NB-IoT spectrum selection?
- A. Deployment method
- B. Core network solution selection
- C. Frequency band
- D. Interference
Answer: B
NEW QUESTION 24
Which of the following functions of the SGW in the LTE network? (Multiple choice)
- A. Mobility anchor: SGW acts as the anchor point of the user plane when switching between eNB
- B. Packet routing and forwarding
- C. Downstream data cache
- D. User IP address allocation
Answer: A,B,C
NEW QUESTION 25
Which of the following parameters is modified to affect the cell PRACH channel capacity?
- A. ZC root sequence cyclic shift (Ncs)
- B. Root sequence index
- C. Preamble format
- D. PRACH configuration index
Answer: A,B,D
NEW QUESTION 26
3GPP protocol defines the RRC reestablishment message of +U313. What are the cause values? (Multiple Choice)
- A. other
- B. Reconfig Failure
- C. Handover Failure
- D. Radio Link Failure
Answer: B,C,D
NEW QUESTION 27
LTE can be modulated using 256QAM.
- A. True
- B. False
Answer: A
NEW QUESTION 28
Which of the following channels cannot carry RRC messages? (Multiple Choice)
- A. PDSCH
- B. PUSCH
- C. PHICH
- D. PRACH
Answer: C,D
NEW QUESTION 29
Which of the following is used for the downlink power control beacon channel in the LTE system?
- A. PDSCH
- B. PBCH
- C. CRS
- D. PSS
Answer: C
NEW QUESTION 30
Which of the following channels can change the modulation mode during the scheduling process? (multiple choice)
- A. PHICH
- B. PUSCH
- C. PUCCH
- D. PDSCH
- E. PDCCH
Answer: B,D
NEW QUESTION 31
How many subcarriers does PSS (Primary Synchronization Signal) occupy in the frequency domain?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 32
Under what circumstances can a mobile phone user not be assigned a new GUTI?
- A. Attachment
- B. Re-select
- C. TA update in the MME
- D. Cross MME TA update
Answer: B
NEW QUESTION 33
Which of the following parameters have greater impact on the search network latency?
- A. DlInitial TransRptCount
- B. PdcchlMaxRepetitionCnt
- C. NbSib2Period
- D. UlInitialMcs
Answer: C
NEW QUESTION 34
In LTE system, how many codewords can a TTI pass up to?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 35
Which of the following events is recommended for events in the same frequency band?
- A. A4
- B. A1
- C. A3
- D. A2
Answer: C
NEW QUESTION 36
Which of the following options are the handover scenario that the LTE room subsystem need to consider? (Multiple choice)
- A. Lobby entrance
- B. Elevator mouth
- C. Garage entrance
- D. High-rise window
Answer: A,B,C,D
NEW QUESTION 37
Which of the following conditions will trigger the T300 timer to start timing?
- A. When the physical layer is detected to be out of step
- B. When sending the RRC Connection Reestabilshment Request message
- C. When sending an RRC Connection Request message
- D. receiving the RRC Connection Reject when
Answer: C
NEW QUESTION 38
In commonly used tools of Huawei, which of the following is used for parameter planning?
- A. RND
- B. Probe
- C. Nastar
- D. U-NET
Answer: D
NEW QUESTION 39
Which of the description of the drop rate indicator in the LTE drive test indicator is incorrect?
- A. The drop rate refers to the probability of a business interruption in the business process, that is, the ratio of the number of abnormal interruptions to the total number of business operations.
- B. Dropping means that when the mobile phone does not send Disconnect signaling or does not receive the Disconnect/Release signaling, the mobile phone returns to the idle state, and it is regarded as a dropped call.
- C. Drop refers to: Abnormal interruption of data transmission during normal data transmission of the terminal, including RRC connection abnormal interruption: or data rate is reduced to 0 for 5 seconds.
- D. Drop rate = number of dropped lines/successful completion of connection establishment
Answer: B
NEW QUESTION 40
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