ExamGecko
Search Search Login
Home Home / Huawei / H31-311
Question list
Search
Search

List of questions

Search
Open VPLUS File
Convert VPLUS to PDF

Related questions

Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.
Which of the following is the multiplexing mode of SDH?
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
OTM nr.m consists of a maximum of 'n' optical multiplexing channels and does not support non-channel-associated overheads. The letter 'r' indicates function reduction.
Both PDH and SDH have globally unified standards.
MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to an inloop, you can set the PHY loopback according to the actual situation.
On the NMS, the NE performance monitoring time is set to () minutes and () hours,
When the ACT indicator of an SDH board is off, it indicates that this board has a hardware fault and cannot be used,
Which of the following ITU-T recommendations defines the OTN frame structure?
When a bridge uses the IVL learning mode, the entry in the MAC address table is created according to the source MAC address and source port of the data frame. This entry is valid for all VLANs.

Question 161 - H31-311 discussion

Report
Export

Which of the following statements about overhead bytes is incorrect?

A.
A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in a signal flow.
Answers
A.
A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in a signal flow.
B.
J0 is a regenerator section trace byte. This byte is used to repeatedly transmit a section access point identifier, so that the receive end can verify its continuous connection to the specified transmit end.
Answers
B.
J0 is a regenerator section trace byte. This byte is used to repeatedly transmit a section access point identifier, so that the receive end can verify its continuous connection to the specified transmit end.
C.
B1 is bit interleaved parity-8 (BIP-8). This byte is used to monitor bit errors at the regenerator section layer.
Answers
C.
B1 is bit interleaved parity-8 (BIP-8). This byte is used to monitor bit errors at the regenerator section layer.
D.
E1 and E2 are orderwire bytes. These bytes are used to provide a voice channel for orderwire connections.
Answers
D.
E1 and E2 are orderwire bytes. These bytes are used to provide a voice channel for orderwire connections.
Suggested answer: A
Show Answer
asked 18/09/2024
Wojciech Oleksiak
37 questions
PreviousPreviousNextNext
User
Your answer:
0 comments
Sorted by

Leave a comment first

ExamGecko

Copyright @2023 ExamGecko | All right reserved

Mail us: [email protected]
About us
Contact us
Twitter X
Facebook
Medium
Convert VPLUS to PDF
Open VPLUS files Easily and Quickly
Privacy Policy
Disclaimer
Terms