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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. NE1\NE2\NE3 forms a chain network. There are VC4 other services between NE1 and NE3. NE2 is a pass-through site. After the configuration is completed, NE3 site reports the HP-SLM alarm of C2 byte mismatch.
What are the detection points at this time? (multiple choice)

A) NE2 West C2 byte
B) NE3 receiving direction C2 byte
C) NE2 east C2 byte
D) C2 byte in the sending direction of NE1

2. All on-site operations can be performed according to their own experience, and there is no need to strictly follow the change operation steps

A) FALSE
B) TRUE

3. The SNCP ring network composed of OptiX OSN 3500 equipment uses GXCSA as the cross-connect board, and the main ring is equipped with an SL64 single board. A and B are two adjacent nodes.
The station B receives a large number of errors in the regeneration section and multiplex section on the SL64 board of station A.
At the same time, station A receives the remote error code of the multiplex section reported on the SL64 board of station E.
In the networking diagram, it is found that the distance between A and B is 100km, the rate is 10G, and the configuration structure is "light board + BA + PA + DCU + light board".
Which of the following causes the error code to occur? (multiple choice)

A) Cross-board and circuit board coordination problems cause bit errors
B) Error code caused by light board failure
C) DCU module model error
D) Insufficient BA+PA gain leads to bit errors

4. What's wrong with the description of the 1+1 protection on the client side?

A) Cross-subrack client side 1+1 protection: Working OTU unit and protection OTU unit are in different subrack of the same network element, which is called cross-subrack client side 1+1 protection. This type of protection must use OLP or DCP boards.
B) When the SCS board is used, the client side lasers of the working OTU unit and the standby OTU unit are both turned on, and the system controls the SCS board through the SCC board to achieve selective reception of signals.
C) Cross-network element client-side 1+1 protection: The working OTU unit and the protection OTU unit are in different network elements, which is called cross-network element client-side 1+1 protection. This type of protection must use OLP or DCP boards.
D) 1+1 protection on the client side of this subrack: The working OUT unit and the protection OTU unit are located in the same subrack of the same network element. This kind of protection is called 1+1 protection on the client side of the subrack. It is recommended to use the SCS board for this type of protection.

5. SOM is an intelligent optical layer management solution, which is only used for single-wave optical power and OSNR detection of coherent 40G and 100G systems

A) FALSE
B) TRUE

Solutions: