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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. 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

2. The interface board N1SF64 of OSN 7500 and the A1SF64 of OptiX 10G (Metro 5000) support different protocols, so they cannot be connected.

A) FALSE
B) TRUE

3. Four network elements A, B, C, and D form an SNCP ring, and there are a large number of PDH services between A and B.
One day, the fiber between A and B was interrupted.
In order to eliminate the R-LOS alarm on the network management system, an engineer self-looped the optical ports at both ends of the interrupted fiber. After 10 minutes by default, what will happen?

A) The service between A and B is interrupted, and the switching alarm does not disappear
B) The service between A and B is interrupted, and the switching alarm disappears
C) The services of A and B will not be affected, and the switching alarm will not disappear
D) The business between A and B is not affected, and the switching alarm disappears

4. For inter-board wavelength protection and client-side 1+1 wavelength protection, it is forbidden to manually set the "laser status" of the backup OTU client-side optical interface to "on", otherwise the service will be interrupted.

A) FALSE
B) TRUE

5. An ETH_LOS or LINK_ERR alarm occurs on a single Ethernet port of a multi-interface Ethernet board, and the service is interrupted.The possible reasons are: the working mode of the Ethernet port is not matched or the interface rate is inconsistent, the optical module hardware is faulty, and the possible reasons are?

A) MTU parameter setting is too small
B) SDH line VC4 channel failure
C) Optical fiber connection error
D) Ethernet port attribute setting error

Solutions: