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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. Output networks require higher costs than belt networks, but provide more reliable management channels.

A) True
B) False

2. For OSN products, changing which of the following parameters will cause the network element to reset?

A) Network element subnet mask
B) network element ID
C) Network element IP
D) Network element name

3. Which of the following VLAN numbers can be provided by QINQ technology?

A) 4095*4095
B) 1024*1024
C) 4096
D) 4096*1024

4. Which of the following descriptions about the TNG2M 402D board is wrong?

A) M402D can realize the wavelength division side optical signal in the extended C band 50GHz interval
96 wavelength range domestically adjustable
B) Support ODUk SNCP protection and client side 1+1 protection
C) Support ASON function of optical layer
D) Dual-channel 100 Gbit/s wavelength conversion board

5. The error correction capability of FEC is measured by coding gain. Which of the following statements about coding gain is wrong?

A) The coding gain of in-band FEC is greater than the coding gain of out-band FEC
B) The coding gain of AFEC is greater than the coding gain of FEC
C) The correction capability of FEC increases with the coding gain.
D) When BER is constant, the OSNR preserved by correction coding is called coding gain.

Solutions: