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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. Which of the following options meet the advantages of erbium-doped fiber amplifiers? (Multiple choice)

A) High energy conversion efficiency
B) Gain characteristics are stable
C) High coupling efficiency
D) High gain and high output power

2. The 1+1 protection mechanism on the customer side implemented by the SCS board or the OLP board is different.

A) False
B) True

3. HUB is a multi-port repeater. When HUB is the central device, if a line in the network fails, it will not affect the operation of other lines.

A) False
B) True

4. OTUk_LOF is an OTUk layer alarm, indicating OTUk frame loss. The FAS frame alignment overhead is detected. If the frame is out of sync for 5 ms, this alarm is reported. The alarm ends after the frame synchronization is restored for 5ms.

A) False
B) True

5. A communication network is a system that interconnects geographically dispersed user terminal devices to achieve communication and information exchange. It is mainly composed of user equipment and transmission equipment.

A) False
B) True

Solutions: