Latest H31-311_V2.5 exam dumps with real Huawei questions and answers
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NEW QUESTION # 27
SL64 board is available for OSN 2500.
- A. True
- B. False
Answer: B
NEW QUESTION # 28
The refractive index n1 of the fiber core must be the Q of the cladding refractive Mo n2, which is a necessary condition for transmitting the optical signal in the optical fiber.
- A. is higher than
- B. Below
- C. Equal
Answer: A
NEW QUESTION # 29
The working mode of the port determines the flow control mode of the port.
When the operating mode is 100Mbit/s full duplex, one of the following flow control modes can be used
- A. None of the above
- B. Auto-negotiation flow control mode
- C. Non-autonegotiation flow control mode
- D. Both
Answer: C
NEW QUESTION # 30
Are the following statements regarding the definition of SDH correct?
- A. Complete hierarchy of standard mathematical signals, providing simultaneous digital transmission multiplexing and cross-connectivity
- B. hierarchy that can be used for asynchronous digital transfers
- C. A hierarchy of standardized digital signals that can be cross-connected asynchronously
- D. A hierarchy of standardized digital signals that can be asynchronously reused
Answer: A
NEW QUESTION # 31
The optical amplifier unit compensates for line losses and extends the transmission distance. Connecting multiple optical amplifier units in cascaded mode allows for extended transmission distances without following the system.
- A. True
- B. False
Answer: B
NEW QUESTION # 32
Which of the following bytes can be used for wired phones between two REG devices?
- A. None of the above
- B. E2
- C. E1 and E2
- D. E1
Answer: D
NEW QUESTION # 33
Suppose 2 VC-12 time slots need to be bound to the VCTRUNK1 of the N2EFS4 board. When there are 8 VC4 slots on the N2EFS4 board, which of the following slots meets the requirements?
- A. VC-12 time slots for the second VC4 33 and 34
- B. VC-12 time slot 1 and 2 for the first VC4
- C. VC-12 time slots 1 and 2 for the fourth VC4
- D. VC-12 Time slots 1 and 2 for the 8th VC-4
Answer: C
NEW QUESTION # 34
RSOH, MSOH, HPOH and LPOH implement the monitoring function in descending order of the monitoring fan country.
- A. True
- B. Error
Answer: A
NEW QUESTION # 35
QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.
- A. True
- B. Error
Answer: A
NEW QUESTION # 36
OTM nr.m consists of up to n " multiplexed channels and does not support non-channel-related overhead. The letter "r" indicates a decrease in functionality.
- A. True
- B. Error
Answer: A
NEW QUESTION # 37
Which of the following is not a condition that triggers multiplexed segment protection (MSP)?
- A. MS-AIS signal was detected.
- B. Check to R-LOF.
- C. Au-AIS detected.
- D. R-LOS detected.
Answer: C
NEW QUESTION # 38
The following is the frame structure of the STM-16?
- A. 9*270"4
- B. 9*270*1
- C. 9*270*64
- D. 9*270*16
Answer: D
NEW QUESTION # 39
Which of the following is the VLAN classification method? (Multiple choice).
- A. press Co-set
- B. by MAC address correct answer).
- C. By subnet
- D. Through the port correct answer).
Answer: A,B,C,D
NEW QUESTION # 40
The standard Ethernet frame length should not be less than 64 bytes Which of the following factors contribute to this limitation? (Multiple choice).
- A. How conflict detection works
- B. Maximum transmission distance
- C. Minimum transmission distance
- D. MAC address
Answer: A,B
NEW QUESTION # 41
Which of the following statements about the advantages of OTN are incorrect?
- A. OTN provides the final five levels of nested or overlapping TCM connection monitoring.
- B. WDM function is used to meet the requirements of the bait fiber Tbit/s bandwidth.
- C. OTN provides powerful out-of-band FEC functionality to effectively ensure line transmission performance.
- D. 0TN provides 2.7 Gbi/s, 10.7Gbt/s, 43Gbt/s and even 111.8 Gbit/s high-speed interfaces.
Answer: A
NEW QUESTION # 42
TU-AIS is often encountered during network maintenance. Which of the following alerts can trigger a TU-AIS alert? (Multiple choice).
- A. B2-EXC
- B. HP-TIM
- C. R-LOS
- D. AU-LOP
Answer: A,B,C,D
NEW QUESTION # 43
OChr means the use of electrical monitoring technology.
- A. True
- B. Error
Answer: A
NEW QUESTION # 44
The OTN signal has a fixed pad period, the same frame period as the SDH signal.
- A. True
- B. False
Answer: B
NEW QUESTION # 45
When a bit error is detected in B2 bytes, which of the following alarms is reported by the peer?
- A. RS-BBE。
- B. MS-AIS
- C. MS-BBE
- D. MS-FEBBE
Answer: D
NEW QUESTION # 46
Which of the following methods can be used to multiplex low-order ODUK to higher-order ODUk?
- A. Frequency division multiplexing
- B. Wavelength division multiplexing
- C. Time-division multiplexing
- D. Null division multiplexing
Answer: C
NEW QUESTION # 47
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