[Jan 07, 2022] Test4Cram H35-561-ENU Exam Practice Test Questions (Updated 62 Questions)
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NEW QUESTION 36
What are the effects of improper adjustment of the mechanical downturn of the antenna? (Multiple Choice)
- A. Excessive mechanical downtilt angle can also cause beam distortion to generate new interference
- B. Excessive mechanical downtilt angle will cause the antenna to filter back and back, which will damage the antenna for a long time.
- C. The mechanical downturn will cause the back flap of the antenna to be upturned, causing interference to the neighboring area, causing the mobile phone of the lower layer of the neighboring area to drop the call.
- D. The mechanical downturn will cause the back flap of the antenna to be upturned, causing interference to the neighboring area, causing the mobile phone of the higher layer of the neighboring area to drop the call.
Answer: A,D
NEW QUESTION 37
How many configurations are there for R8 TDD special subframe configuration?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 38
Which of the following channels are used for power control using fixed power allocation?
- A. PBCH
- B. PDSCH carrying UE- specific information
- C. PDCCH (scheduling information of bearer cell public information)
- D. Synchronization signal (SCH)
- E. PHICH
Answer: A,C,D,E
NEW QUESTION 39
Which of the description of the drop rate indicator in the LTE drive test indicator is incorrect?
- A. Drop rate = number of dropped lines/successful completion of connection establishment
- B. 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.
- C. 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.
- D. 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.
Answer: D
NEW QUESTION 40
Which of the following scenarios should use the RIM process? (multiple choice)
- A. PS CSFB
- B. CCO/NACC
- C. Flash CSFB
- D. PS handover
Answer: C,D
NEW QUESTION 41
Which of the following is the timer for the UE to wait for the handover to succeed?
- A. T301
- B. T302
- C. T304
- D. T300
Answer: C
NEW QUESTION 42
On which channels does the E-UTRAN system message SI be sent? (Multiple Choice)
- A. PBCH
- B. PDCCH
- C. PRACH
- D. PDSCH
Answer: A,C,D
NEW QUESTION 43
Regarding CIO (cellIndividualOffset), which of the following sets of parameters is selected is more conducive to solving the corner effect of A3 switching?
- A. Service area CIO=-3, neighboring area CIO=3
- B. Service area CIO=3, neighboring area CIO=3
- C. Service area CIO=-3, neighboring area CIO=-3
- D. Service area CIO=3, neighboring area CIO=-3
Answer: A
NEW QUESTION 44
Which of the following descriptions are issues that Massive MIMO technology can solve?
- A. High traffic growth
- B. Uplink coverage is limited
- C. High station over the line coverage
- D. High interference level
Answer: A
NEW QUESTION 45
Which of the following information will be issued through "RC Connection Reconfiguration"? (Multiple Choice)
- A. Switch command
- B. SRB1 establishment
- C. Measurement configuration information
- D. Default bearer DRB establishment information
Answer: A,C,D
NEW QUESTION 46
Which of the following radio bearers is used to carry RRC messages and map to CCCH?
- A. SRB2
- B. SRB0
- C. SRB3
- D. SRB1
Answer: B
NEW QUESTION 47
In the process of Attach/TAU/Handover, which of the following information are based on by MME using DNS resolution function to select the S-GW?
- A. TAI
- B. GUTI
- C. None of the above
- D. APN
Answer: A
NEW QUESTION 48
Regarding the power control in the LTE system, what are the correct descriptions of the following? (Multiple Choice)
- A. Power control can improve coverage and capacity
- B. Power control is one of the functions in the MAC layer
- C. The purpose of power control is to save energy
- D. Power control is to ensure the quality of service
Answer: A,C
NEW QUESTION 49
Which of the following layers performs the HARQ function?
- A. MAC
- B. PDCP
- C. RLC
- D. RRC
Answer: A
NEW QUESTION 50
What measures can be taken to optimize coverage performance in LTE network optimization? (Multiple choice)
- A. RS power adjustment
- B. Antenna adjustment
- C. Flexible site selection and construction of street stations
- D. PCI adjustment
Answer: A,B,C
NEW QUESTION 51
Regarding PHICH, what is wrong description of the following?
- A. PHICH channels may be assigned only on the first OFDM symbol of subframe
- B. PHICH channel may be assigned on the first 3 OFDM symbol
- C. Maximum code division multiplexing 4 users in the PHICH channel group
- D. Downlink commonly used HARQ feedback modes are Bundling and Multiplexing
Answer: C
NEW QUESTION 52
When the E supporting CSFB is powered on, it will initiate a joint attach procedure. Which network element does the UE send the request to?
- A. MME
- B. SWG
- C. MSC
- D. SGSN
Answer: A
NEW QUESTION 53
Which of the following statements about the idle different system neighborhood area measurement is correct? (Multiple choice)
- A. If the different system frequency points have higher priority than the current service frequency, the UE will measure them regardless of the quality of the serving cell.
- B. If the different system frequency points have lower priority than the current service frequency, the UE will not measure them regardless of the quality of the serving cell.
- C. When the priority of the different system frequency points is lower than the priority of the current serving frequency point, if the current serving cell signal quality is good, the UE does not measure the inter-frequency or different system cells.
- D. If the different system frequency points have higher priority than the current service frequency, if the quality of the serving cell is good, it is not necessary to measure these high priority frequency points.
Answer: B,C
NEW QUESTION 54
Which of the following factors can produce weak coverage? (multiple choice)
- A. Closed place
- B. overpass
- C. Unreasonable power allocation
- D. The distance between stations is too large
Answer: A,C,D
NEW QUESTION 55
Which of the following value does the service cell reselection hysteresis be set to that is most likely to cause ping-pong reselection?
- A. 1dB
- B. 2dB
- C. 4dB
- D. 3dB
Answer: A
NEW QUESTION 56
Which of the following defines the maximum rate sum of all non-GBR bearers between the UE and a PDN?
- A. AMBR
- B. GBR
- C. ARP
- D. MBR
Answer: A
NEW QUESTION 57
Which protocol layer does the eNodeB side handle on the S1 interface control plane data?
- A. SCTP/IP
- B. S1AP/SCTP
- C. GTPU/UDP
- D. RRC
Answer: B
NEW QUESTION 58
RB is the smallest resource granularity in the LTE system.
- A. True
- B. False
Answer: B
NEW QUESTION 59
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