Use Real H31-311-ENU Dumps - Huawei Correct Answers updated on 2021
Huawei-certification H31-311-ENU Exam Practice Dumps
NEW QUESTION 83
Which of the following are communication quality alarms? (Multiple Choice)
- A. Loss of optical signals
- B. Optical port loopback
- C. NE communication interruption
- D. No login of an NE user
Answer: A,C
NEW QUESTION 84
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 85
Which of the following statements about clock sources is incorrect?
- A. The same SSM protocol is selected for all NEs in a clock protection subnet.
- B. If the standard SSM protocol is enabled, you need to set the clock source ID.
- C. Internal clock sources have the lowest priority because of their low precision.
- D. Generally, tributary clocks are not used as the clock sources of devices.
Answer: B
NEW QUESTION 86
Both PDH and SDH have globally unified standards.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 87
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. TRUE
- B. FALSE
Answer: A
NEW QUESTION 88
Which of the following alarm/event dumping modes are supported by the U2000? (Multiple Choice)
- A. Manual dumping
- B. Overflow dumping
- C. Automatic dumping
- D. Periodic dumping of alarm logs
Answer: A,B,D
NEW QUESTION 89
MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to an in loop, you can set the PHY loopback according to the actual situation.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 90
Which of the following service levels cannot be selected during service configuration?
- A. VC3
- B. VC12
- C. VC4
- D. VC8
Answer: D
NEW QUESTION 91
Which of the following logical functional module is used to generate an R-LOS alarm?
- A. SPI
- B. RST
- C. MSA
- D. MST
Answer: A
NEW QUESTION 92
When bit errors are detected in the B2 byte, which of the following alarms is reported by the peer end?
- A. MS-FEBBE
- B. MS-AIS
- C. MS-BBE
- D. RS-BBE
Answer: A
NEW QUESTION 93
When synchronization is performed on the U2000, the NE data that is the same as that on the U2000 is not uploaded to the U2000, and the data that exists on the U2000 but not on the NE is deleted.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 94
The difference between a dispersion compensation fiber and a common fiber is that the dispersion compensation fiber has a negative dispersion coefficient at ().
- A. 800 nm
- B. 1310 nm
- C. 1550 nm
- D. 1650 nm
Answer: C
NEW QUESTION 95
For the (local) HA solution where the active and standby servers are deployed in the same place, which of the following platforms can be deployed? (Multiple Choice)
- A. All of the above
- B. Windows
- C. Solaris
- D. SUSE Linux
Answer: C,D
NEW QUESTION 96
When the LCAS function is used, which of the following overhead bytes are used to transmit control information? (Multiple Choice)
- A. K2
- B. K4
- C. M1
- D. H4
Answer: B,D
NEW QUESTION 97
When the SXCS board is configured for an OSN 3500, which of the following is the access capacity of the subrack in full configuration?
- A. 155G
- B. 80G
- C. 35G
- D. 58.75G
Answer: A
NEW QUESTION 98
Which of the following statements about the multiplex section remote error indication (MS-REI) is correct?
① The B2 byte indicates the transmission channel.
② The M1 byte indicates the transmission channel.
③ MS-REI is transmitted from the sink to the source.
④ MS-REI is transmitted from the source to the sink.
⑤ Indicates the number of detected bit errors after the sink receives the MS signals.
- A. ①④⑤
- B. ①③⑤
- C. ②④⑤
- D. ②③⑤
Answer: D
NEW QUESTION 99
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