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Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:

1. The Erbium Doped Fiber Amplifier (EDFA) is a key component of the new-generation optical communication system.
Which of the following are the features of the EDFA? (Multiple Choice)

A) High gain
B) Amplification of any wavelengths
C) High output power
D) Low noise index

2. Which of the following working windows is indicated by "2" in the optical module parameter "L-64.2"?

A) 880 nm
B) 1550 nm
C) 1310 nm
D) 1510 nm

3. Which of the following clock working modes support the ITU-T G.781 standard? (Multiple Choice)

A) Tracing
B) Holdover
C) Free-run
D) Master/Slave

4. The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.

A) FALSE
B) TRUE

5. SDH signals must be scrambled before being transmitted over optical fibers.
Which of the following bytes are not scrambled? (Multiple Choice)

A) A1
B) J0
C) J1
D) A2

Solutions: