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Huawei H31-311-ENU Exam Syllabus Topics:

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

Question 1

Which of the following is the function of TCM overheads in ODUk signals?

A. Channel supervisory overhead
B. Path trace identifier overhead
C. General communication channel overhead
D. Tandem connection monitoring overhead

Question 2

Which of the following is the maximum number of OSN 3500 subracks that can be installed in a 2.2 m cabinet?

A. 1
B. 2
C. 3
D. 4

Question 3

When a VLAN-based service type is configured, which of the following functions must be enabled on the port?

A. Auto-negotiation mode
B. Broadcast packet suppression
C. Entry detection
D. Flow control

Question 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 encoding gain of the in band FEC is larger than that of the outband FEC.
D. The error correction capability of FEC increases with the encoding gain.

Question 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. 20
B. 100
C. 50
D. 200

Solutions: