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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. TPS protection belongs to single-board level protection, and its switching process does not require the participation of the cross-board.

A) False
B) True

2. The correct statement about the multiplex section remote error indication MS-REI is (): 1. B2 byte is the transmission channel; 2. M1 byte is the transmission channel; 3. sent back from the destination to the source 4. sent from the source to the destination; 5. indicates the number of errors detected after the destination receives the multiplex section signal.

A) 2 3 5
B) 1 4 5
C) 1 3 5
D) 2 4 5

3. Compared with the dense wavelength division multiplexing (DWDM) system, the coarse wavelength division multiplexing (CWDM) system provides a certain number of wavelengths and a transmission distance within how much (km), which greatly reduces the system cost and has strong flexibilit?.

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

4. In the case of 1+1 linear MSP, which of the following switching modes does not require the APS protection protocol to be enabled? (Multiple choice)

A) Dual-ended non-reply mode
B) Dual-end reply mode
C) Single-ended non-reply mode
D) Single-ended reply mode

5. Which of the following options are common signal failure alarms? (Multiple choice)

A) B2_EXC
B) B2_SD
C) R_LOF
D) R_LOS

Solutions: