Huawei H31-311_V2.5

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Huawei HCIA-Transmission V2.5 Sample Questions:

1. Which of the following is the basic requirement of DWDM system on the light source?

A) Output wavelength is stable
B) Low dispersion tolerance
C) High transmission power
D) Using direct modulation method

2. Traditional SDH equipment can directly access Ethernet services.

A) False
B) True

3. Regarding the AU-AIS alarm, which of the following statements is correct?

A) AU-PTR is composed of H1, H2, H3H3H3, so when all three are received as "1", the AU-AIS alarm will be reported.
B) The management unit pointer part of the positive structure is all "1"
C) When the AU-PTR value is 783, the AU-AIS alarm will be reported
D) AU-PTR is composed of HI, H2, H3H3H3. When H1 and H2 are all "1", the AU-AIS alarm will be reported.

4. Which of the following protections requires the use of the APS protocol?

A) Branch SNCP protection
B) 1:1 optical line protection
C) ODUK SNCP protection
D) 1+1 protection inside the board

5. Which of the following statements about the sequence of signal flow between SDH interfaces and cross-connect units are correct?

A) SPIRST
B) SPIMSPMSA
C) SPTMSTMSARSTMSPHPT
D) SPICMSTRST

Solutions: