H35-561 Actual Questions Answers PDF 100% Cover Real Exam Questions
H35-561 Exam questions and answers
NEW QUESTION 11
What is the reason for LTE uplink adoption of SCFDMA instead of OFDMA?
- A. Improve the power utilization of the UE and increase the effective coverage of the uplink
- B. Good PARP characteristics
- C. Demodulation is performed in the time domain
- D. Low requirements on the terminal
Answer: B
NEW QUESTION 12
Which of the following processes belongs to NAS ESM?
- A. Authentication
- B. Attach
- C. EPS bearer setup
- D. Tracking area update
Answer: C
NEW QUESTION 13
According to the different coding rate, how many CCEs can the eNodeB aggregate to form a PDCCH to transmit common scheduling information?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B,C,D
NEW QUESTION 14
Which of the following options can be initiated by a Service Request in an LTE/EPC network? (Multiple Choice)
- A. Can be initiated by the network side
- B. Can be initiated by the UE
- C. can only be initiated by the network side
- D. can only be initiated by the UE
Answer: A,B
NEW QUESTION 15
The PCI plan is only for the same-frequency neighboring area. If it is an inter- frequency neighboring area, you can use the same PCI directly without considering the PCI planning.
- A. True
- B. False
Answer: A
NEW QUESTION 16
What are the correct adjustment principles for RE and ABS in the TDM eICIC program?
- A. RE adjustment is often used to make fast changes, ABS adjustment is often used to make slow changes
- B. ABS adjustment will change the resources of the macro cell and the micro cell, and will take effect immediately when the next TTI schedules the user.
- C. RE and ABS adjustments should follow user distribution and load distribution in the network
- D. RE adjustment causes inter-cell handover to achieve balanced user objectives
Answer: A,C,D
NEW QUESTION 17
Regarding the inter-frequency switching, which of the following description is correct?
- A. LTE inter-frequency switching can only be switched through the S1 interface and cannot be switched through the x2 interface.
- B. LTE inter-frequency handover will send a GAP to the mobile phone for measurement. There are 2 different GAP modes.
- C. Frequency-prioritized inter-frequency switching can be triggered based on A1 events or triggered based on A2 events depending on the coverage scenario.
- D. If the center frequencies of the two cells are the same, but the spectrum bandwidth is different, the switching between the two cells belongs to the inter-frequency handover.
Answer: A,B,C
NEW QUESTION 18
Which of the following switches are not based on RSRP Start Interval Measurement (GAP)? (Multiple choice)
- A. Frequency priority switching
- B. Load balancing switching MLB
- C. Based on business switching
- D. Based on distance switching
Answer: B,C,D
NEW QUESTION 19
For LTE system messages, which of the following statements are correct? (multiple choice)
- A. SIB1 and all SI messages are transmitted on BCCH → DL-SCH → PDSCH.
- B. The transmission of SIB1 is completed through PDCCH scheduling carrying SI-RNTI (SI-RNTI is the same for each cell).
- C. Except for SIB1, SIB2-SIB13 are all carried by SI (System Information), and SIB2 must be mapped in the first SI message.
- D. The Scheduling InfoList in SIB2 carries the scheduling information of all SIs. After receiving SIB2, other SI messages can be received.
Answer: A,B,C
NEW QUESTION 20
Which of the following description about TA List is not ?
- A. TA List can in the process of attachment, TAU or GUTI reallocation, allocated by the ENODEB to UE
- B. reasonable TA List distribution mode and design method can effectively reduce the probability of TAU, improve resource utilization
- C. For UE registered tracking area, if in the same TA List, by the same MME to provide services to reduce update signaling
- D. network to the user paging will work in the TA list all TA
Answer: A,D
NEW QUESTION 21
What are the main factors to consider when optimizing the success rate of reconstruction? (Multiple Choice)
- A. Power adjustment
- B. S1 link optimization
- C. RF adjustment
- D. Switching parameter optimization
Answer: A,B,C,D
NEW QUESTION 22
What basic information does the performance measurement task contain?
- A. Measurement cycle
- B. Measurement object
- C. Measurement report
- D. Measurement indicator
Answer: C
NEW QUESTION 23
How many multiplexed downlink time-frequency resources are supported by the 64T64R scheme in Massive MIMO?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 24
If the timer T310 is set too large, the wireless link will become poor and cannot be used. The system will not delete the corresponding link for a long time. If the setting is too small, the call drop rate will increase.
- A. True
- B. False
Answer: A
NEW QUESTION 25
The virtual resource block (VRB) is used to describe the LTE downlink transmission resource allocation mode. What are the two resource mapping modes supported by the VRB? (Multiple choice)
- A. Discontinuous allocation
- B. Separate distribution
- C. Centralized distribution
- D. Continuous distribution
Answer: B,C
NEW QUESTION 26
The RET interface on RRU is used to connect tunable antenna.
- A. True
- B. False
Answer: A
NEW QUESTION 27
What measures can be taken to optimize handover performance in LTE network optimization?
- A. Power adjustment
- B. Neighborhood optimization
- C. Switching parameter optimization
- D. PCI adjustment
Answer: A,B,C,D
NEW QUESTION 28
Single-user call test can choose short FTP or long FTP.
- A. True
- B. False
Answer: A
NEW QUESTION 29
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 30
Considering the interference control, the horizontal beamwidth of the three-sector station in the urban area is generally not more than 45°.
- A. True
- B. False
Answer: B
NEW QUESTION 31
The connected LTE UE moves to the cell edge until RSRP=-115dBm, but does not trigger any signaling reporting, and only receives system messages. Based on this phenomenon, which of the following analysis conclusions are reasonable?
- A. Air interface without same frequency neighbor coverage
- B. Air interface without polit frequency neighbor coverage
- C. Failure to reach the A2 event threshold
- D. Neighboring area mismatch
Answer: C
NEW QUESTION 32
Regarding LTE paging, which are the correct descriptions of the following? (Multiple choice)
- A. page packet number Nb larger the value, the smaller the paging capacity
- B. The bigger the default paging cycle, the more power-saving the phone
- C. The number of paging packets, the larger the value of Nb, the larger the paging capacity.
- D. The larger the default paging cycle, the more power the phone consumes.
Answer: C,D
NEW QUESTION 33
For the control channel PDCCH, configuring different CCE aggregation levels has different coverage capabilities.
- A. True
- B. False
Answer: A
NEW QUESTION 34
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