Latest Jan 18, 2022 H35-561-ENU Brain Dump: A Study Guide with Tips & Tricks for passing Exam
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NEW QUESTION 35
Which of the following is a handover timer in the LTE system?
- A. T302
- B. T3412
- C. T304
- D. T300
Answer: C
NEW QUESTION 36
There is no need to manually configure PA and PB parameters under NB-IoT. How many antenna ports does NB-IoT cell support?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 37
Which of the following is used to uniquely identify the UE corresponding to the S1 interface in the same eNB?
- A. MME UE S1AP ID
- B. C-RNTI
- C. New eNB UE X2AP ID
- D. eNB UE S1AP ID
Answer: D
NEW QUESTION 38
How many symbols can the UpPTS occupy in a special time slot? (Multiple choice)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A,D
NEW QUESTION 39
Which of the following bearers are included in the E-RAB bearer?
- A. S1 bearer
- B. EPS bearer
- C. End-to-end bearer
- D. Radio bearer
Answer: A,C,D
NEW QUESTION 40
Which of the following should be the number of layers in the downlink mid-layer mapping?
- A. Greater than or equal to the number of antenna ports
- B. Larger than the number of antenna ports
- C. Less than the number of antenna ports
- D. Less than or equal to the number of antenna ports
Answer: D
NEW QUESTION 41
Which of the following stages does the call complete include?
- A. Switching
- B. RRC establishment phase
- C. VoIP E-RAB establishment phase
- D. VoIP E-RAB release
Answer: A,B,C,D
NEW QUESTION 42
The reporting period of the SRI (Scheduling Request Indicator) is divided into fixed and adaptive. Which of the following factors will be used for the adjustment of the SRI period? (Multiple Choice)
- A. SRI resource load situation
- B. Number of users
- C. The user establishes a bearer ARP.
- D. User establishes bearer QCI
Answer: A,B,C
NEW QUESTION 43
In LTE system, how many codewords can a TTI pass up to?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 44
LTE can be modulated using 256QAM.
- A. True
- B. False
Answer: A
NEW QUESTION 45
AS security procedures, MME issued key, view messages, in which of the following messages exist encryption algorithms and security key?
- A. Security Mode Command (MME sent to UE)
- B. INIT CONTEXT SETUP REQ (MME sent to eNodeB)
- C. None of the above
- D. Authentication information Answer (HSS sent to MME)
Answer: B,D
NEW QUESTION 46
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 47
Restricted radio resources will cause the GBR to be dropped. Which of the following resources that is restricted will not cause the drop?
- A. CCE aggregation level ratio
- B. Number of PDCCH symbols
- C. DRB number
- D. Up and down PRB
Answer: A
NEW QUESTION 48
Which of the following features cannot improve the PDCCH capacity of LTE? (Multiple choice)
- A. Semi-static scheduling
- B. ROHC header compression
- C. TTI bundling
- D. SRVCC
Answer: A,D
NEW QUESTION 49
What options are included in the project that will not cause the UE to drop calls?
- A. Weak coverage
- B. Insufficient scheduling of PRB
- C. Abnormal terminal
- D. External interference
Answer: B
NEW QUESTION 50
Unlike the 2/3G network, the concept of reselection priority is introduced in the LTE system. Which of the following is correct? (Multiple choice)
- A. In the LTE system, the network can configure the priorities of different frequency points or frequency groups and provide broadcasts to inform the UE in the system message that the corresponding parameter is CellReselectionPriority, and the value is (0....7).
- B. By configuring the priority of each frequency point, the network can more easily guide the terminal to re-elect to the high-priority cell to achieve balanced network load: improve resource utilization, ensure UE signal quality, etc.
- C. The priority configuration unit is the frequency point, so different cells in the same carrier frequency have the same priority.
Answer: A,B,C
NEW QUESTION 51
Which of the following statements is true about synchronization signals?
- A. PSS carries PCI group number 0-167
- B. PSS carries PCI group PCI No. 0-2
- C. SSS carries PCI group PCI No. 0-2
- D. SSS carries PCI group number 0-167
Answer: B,D
NEW QUESTION 52
Which of the following events is recommended for events in the same frequency band?
- A. A2
- B. A1
- C. A4
- D. A3
Answer: D
NEW QUESTION 53
Which of the following logos is the same across the entire network?
- A. TC-RNTI
- B. RA-RNTI
- C. P-RNTI
- D. SPS-CRNTI
Answer: C
NEW QUESTION 54
Which of the following parameters does not affect the triggering of the event measurement report?
- A. Neighborhood relationship
- B. Filter coefficient
- C. Cell Individual Offset
- D. Threshold for RSRP
Answer: B
NEW QUESTION 55
Which information does the UE regain after the service request is successful?
- A. Reconstructed SGs
- B. Reconstructed S1-C
- C. Updated TAL
- D. Authentication code
Answer: A
NEW QUESTION 56
PCFICH is notified the PDCCH occupied OFDM symbol number to the UE are transmitted in each slot.
- A. True
- B. False
Answer: A
NEW QUESTION 57
Which of the following conditions are met, then the UE issues a tracking area update request to start tracking area update?
- A. When the RRC connection is released due to load balancing
- B. When the UE initiates a call
- C. The UE reselects the E-UTRAN cell from other system cells
- D. Enter the new TA List
Answer: C,D
NEW QUESTION 58
Which of the following options is included in the LTE/EPC network that identifies the identity of the user's PDN connection? (Multiple Choice)
- A. APN
- B. TEID
- C. GUTI
- D. UE IP
Answer: A,D
NEW QUESTION 59
Which of the following descriptions are correct about T311? (Multiple Choice)
- A. The UE starts the timer when initiating the RRC connection reestablishment process.
- B. After the T311 timer expires, E enters the RRC_IDLE state.
- C. When the UE receives the RRCConnectionReject carrying the deprioritisationReq cell, the UE starts the timer.
Answer: A,B
NEW QUESTION 60
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