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

1. On the OSN series transport devices, Ethernet ports cannot access tagged frames and untagged frames at the same time.

A) FALSE
B) TRUE

2. In the frame structure of SDH signals, there are abundant overhead bytes used for operation, administration, and maintenance (OAM). The overhead bytes account for ( ) of all bits in the entire frame and greatly enhance the monitoring functions of the network.

A) 1/20
B) 1/40
C) 1/10
D) 1/30

3. Which of the following is the frame whose VC-4 J1 byte is indicated by the current frame's AU pointer?

A) Current frame
B) Previous frame
C) None of the above
D) Next frame

4. The error correction capability of FEC is measured with the encoding gain.
Which of the following statements about the encoding gain is incorrect?

A) The encoding gain of AFEC is larger than that of FEC.
B) When the BER is constant, the OSNR saved by the correction encoding is called encoding gain.
C) The error correction capability of FEC increases with the encoding gain.
D) The encoding gain of the in band FEC is larger than that of the outband FEC.

5. Compared with a dense wavelength division multiplexing (DWDM) system, a coarse wavelength division multiplexing (CWDM) system provides a certain number of wavelengths and a transmission distance within ( ) km, which greatly reduces system cost and has strong flexibility.

A) 100
B) 50
C) 200
D) 20

Solutions: