H35-561-ENU Dumps - Grab Out For [NEW-2022] Huawei Exam
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NEW QUESTION 14
When the number of VOLTE users in a cell is large, which of the following the capacity of channels can be directly increased by enabling semi-static scheduling and ROHC? (Multiple choice)
- A. PDCCH
- B. PDSCH
- C. PUCCH
- D. PRACH
Answer: A,B
NEW QUESTION 15
Regarding the reason for the establishment of the RRC connection, which of the following options are not related to the Service Request? (Multiple Choice)
- A. MT-Access
- B. MO-Data
- C. MO-Signaling
- D. MT-Data
Answer: B,C
NEW QUESTION 16
The default path for saving logfile is C\Program Files\Logfile.
- A. False
- B. True
Answer: A
NEW QUESTION 17
What factor does not need to be investigated for the failure of the E-RAB establishment caused by the core network?
- A. Authentication parameters
- B. Reason for rejection or abnormal release
- C. Message waiting timer
- D. Core network configuration parameters carried in the signaling
Answer: D
NEW QUESTION 18
After the Scheduling Request has reached the maximum number of transmissions and has not received the uplink resource, which of the following options will the terminal perform?
- A. Determine the wireless link failure
- B. Trigger the RACH process
- C. Trigger switching
- D. Return to IDLE
Answer: B
NEW QUESTION 19
In which of the following process, MME use DNS parse function based on GUTI to select new MME? (Multiple Choice)
- A. Handover
- B. TAU
- C. Attach
- D. Service Request
Answer: B,C
NEW QUESTION 20
An EPS bearer uniquely identifies all traffic flows of the same QoS between a UE and a serving gateway.
- A. True
- B. False
Answer: A
NEW QUESTION 21
The CPRI protocol between BBU and RRU is private protocol.
- A. False
- B. True
Answer: A
NEW QUESTION 22
The carrier-aggregated UE has only one PDCP/RLC entity.
- A. True
- B. False
Answer: A
NEW QUESTION 23
Regarding the power control in the LTE system, what are the correct descriptions of the following? (Multiple Choice)
- A. The purpose of power control is to save energy
- B. Power control can improve coverage and capacity
- C. Power control is to ensure the quality of service
- D. Power control is one of the functions in the MAC layer
Answer: A,B
NEW QUESTION 24
What role does SBC play in the eSRVCC process? (Multiple Choice)
- A. Inform the MSC to prepare to carry resources
- B. Bearer anchor ATCF & ATGW
- C. Filtering sessions based on C-MSISDN
- D. Perform codec negotiation control
Answer: A,B,C,D
NEW QUESTION 25
The load balancing (LB) function for processing the unbalanced traffic between a plurality of cells, by allocating traffic between the cells are improved radio resource utilization, the ongoing session QoS holding at a reasonable level, reduce the call drop rate.
- A. True
- B. False
Answer: A
NEW QUESTION 26
Which is the correct description of the ping-pong switching problem?
- A. When there are ping-pong problems in all neighboring areas, reduce the 0cs parameter 1-3dB
- B. Reduce the coverage of the cell for overlapping coverage problems and reduce the coverage of overlapping coverage areas in the adjacent area
- C. When there are ping-pong problems in all neighboring areas, reduce the inter- frequency switching threshold 1-3dB
- D. When there are ping-pong problems in all neighboring areas, the handover decision timer is not lower than 640ms.
Answer: D
NEW QUESTION 27
Which of the following statements is true about demodulation reference signals? (Multiple choice)
- A. Not related to PUSCH
- B. related to PUCCH
- C. related to PUSCH
- D. Not related to PUCCH
Answer: B,C
NEW QUESTION 28
What are the factors that affect the downlink FTP download rate? (Multiple Choice)
- A. RSRP/SINR of the wireless environment in which the UE is located
- B. Number of processes for file download
- C. Number of users doing business in the community
- D. Performance of the FTP server
Answer: A,B,C,D
NEW QUESTION 29
Assume that the PCI of the A cell is 6, and 2*2 MIMO is used. Which of the following neighboring cells (these cells are also 2*2 MIMO) will generate mode-3 interference with the A cell?
- A. Cell with PCI=24
- B. Cell with PCI=18
- C. Cell with PCI=31
- D. Cell with PCI=19
Answer: A
NEW QUESTION 30
Which of the following descriptions about the LAA technical is wrong?
- A. Authorized spectrum as the primary carrier
- B. Improve network capacity
- C. Unlicensed spectrum resources are centrally scheduled and allocated by the base station
- D. RLC layer controls activation of unlicensed spectrum
Answer: D
NEW QUESTION 31
Which of the following are LTE network optimization goals? (Multiple choice)
- A. Reasonable front reverse coverage
- B. As large a reverse capacity as possible
- C. As much forward reverse capacity as possible
- D. Good performance indicators
Answer: A,B,C,D
NEW QUESTION 32
E-UTRAN to GERAN different system switching has five switching strategies: PS HO, CCO/NACC, SRVCC, redirection and fast redirection.
- A. Yes
- B. False
Answer: A
NEW QUESTION 33
Which of the following radio bearers can carry NAS messages? (Multiple Choice)
- A. SRB1
- B. SRB3
- C. SRB0
- D. SRB2
Answer: B
NEW QUESTION 34
Which of the following channels is used for resource allocation for paging and user data?
- A. Physical paging channel
- B. Physical broadcast channel
- C. Downlink shared physical channel
- D. Physical downlink control channel
Answer: D
NEW QUESTION 35
On which channels does the E-UTRAN system message SI be sent? (Multiple Choice)
- A. PBCH
- B. PRACH
- C. PDSCH
- D. PDCCH
Answer: A,B,C
NEW QUESTION 36
Which of the following are the trigger conditions for random access? (Multiple choice)
- A. Receiving downlink data in the RRC_CONNECTED state, requiring random access, that is, the UE is out of step when called
- B. Initial access when the wireless link is disconnected
- C. RRC_IDLE initial access
- D. Random access is required when switching
Answer: A,B,C,D
NEW QUESTION 37
SFBC is a transmit diversity technology that mainly obtains transmit diversity gain and is used in areas with low SINR, such as cell edges. Compared with STBC, SFBC is a space-frequency two-dimensional transmit diversity, while STBC is a space-time two-dimensional transmit diversity.
- A. True
- B. False
Answer: A
NEW QUESTION 38
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