Updated Jan 14, 2022 H31-311 Exam Dumps - PDF Questions and Testing Engine
New (2022) Huawei H31-311 Exam Dumps
Huawei H31-311 Exam Syllabus Topics:
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NEW QUESTION 17
SES: There are 5% or more than 5% bit error blocks or at least one defect (OCI/AIS/LCKAAE/LTCA1M/PLM) within one second.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 18
Which of the following statements about the definition of SDH is correct?
- A. A hierarchy of standardized digital signals that can be asynchronously cross-connected
- B. A complete standard digital signal hierarchy that provides synchronous digital transmission, multiplexing, and cross-connection
- C. A hierarchy of standardized digital signals that can be asynchronously multiplexed
- D. A hierarchy that can be used for asynchronous digital transmission
Answer: B
NEW QUESTION 19
The clock unit can access an external clock source as the timing signal source of the system only through the external clock interface. In addition, it can output the processed clock and provide the clock source for other devices that require timing.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 20
On the OSN series transport devices, Ethernet ports cannot access tagged frames and untagged frames at the same time,
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 21
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, the half-duplex and full-duplex modes may be interconnected.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 22
Which of the following are the device-level protection schemes of SDH products? (Multiple Choice)
- A. Cross-connect and timing board protection
- B. Power supply protection
- C. System control board protection
- D. TPS protection
Answer: A,B,C,D
NEW QUESTION 23
Which of the following is the frame whose VC-4 J1 byte is indicated by the current frame's AU pointer?
- A. Previous frame
- B. Current frame
- C. None of the above
- D. Next frame
Answer: D
NEW QUESTION 24
When the ACT indicator of an SDH board is off, it indicates that this board has a hardware fault and cannot be used,
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 25
Which of following are the configuration modes of new NEs? (Multiple Choice)
- A. Copying NE data
- B. Uploading
- C. Manual configuration
- D. Downloading
Answer: A,B,C
NEW QUESTION 26
MSP is a network-level protection scheme. The MSP does not directly protect a service, and the MSP switching and restoration are not affected even if there is no service on the MSP ring.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 27
The interval between two adjacent pointer justification events is at least ( ) frames.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 28
The frame period of OTN signals is fixed, which is the same as that of SDH signals.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 29
Which of the following overhead bytes needs to be processed at an electrical regeneration site?
- A. TCM
- B. SM
- C. PM
- D. All of the above
Answer: D
NEW QUESTION 30
The value of the MFAS byte increases with the sequence number of the OTUk/ODUk base frame, and a maximum of ( ) base frames are included.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 31
Which of the following statements about OTN advantages is incorrect?
- A. The WDM function is used to meet the requirement for Tbit/s bandwidth per fiber.
- B. OTN provides powerful outband FEC functions to effectively guarantee the line transmission performance.
- C. OTN provides a maximum of five levels of nested or overlapped TCM connection monitoring.
- D. OTN provides 2.7 Gbit/s, 10.7 Gbit/s, 43 Gbit/s, and even 111.8 Gbit/s high-rate interfaces.
Answer: C
NEW QUESTION 32
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
- A. Wavelength conversion technology
- B. Optical supervisory technology
- C. Multiplexing/Demultiplexing technology
- D. Optical amplification technology
Answer: A
NEW QUESTION 33
When the rate of an SNCP ring consisting of four OptiX OSN 2500 devices is 2.5 Gbit/s, the service capacity of this network can carry a maximum number of ( ) 2 Mbit/s signals.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 34
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