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Huawei H31-311-ENU Exam Syllabus Topics:

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

1. Which of the following are the service board types of MSTP devices? (Multiple Choice)

A) Auxiliary board
B) Service processing board
C) Service processing board with interfaces
D) Interface board

2. In the case of 1+1 linear MSP, which of the following switching modes do not require the enabling of the APS protection protocol? (Multiple Choice)

A) Dual-ended non-revertive mode
B) Dual-ended revertive mode
C) Single-ended non-revertive mode
D) Single-ended revertive mode

3. The interval between two adjacent pointer justification events is at least () frames.

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

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

A) The transmit power is high.
B) The direct modulation method is used.
C) The output wavelength is stable.
D) The dispersion tolerance is low.

5. Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent.
Which of the following is the main cause?

A) New types of optical fibers are not used.
B) Multiplexers and demultiplexers are used.
C) Fiber attenuation is excessively high.
D) EDFAs are used.

Solutions: