Huawei exams4sure pass H31-311_v2 5 Exam Guide by Cezar q80 vce pdf

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Exam Name:	HCIA-Transmission V2.5
Exam Code:	H31-311_V2.5 Dumps
Vendor:	Huawei	Certification:	Transmission
Questions:	246 Q&A's	Shared By:	cezar

Question 12

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?

Options:

EDfAs are used.

Multiplexers and demultiplexers are used.

Fiber attenuation is excessively high.

New types of optical fibers are not used.

Discussion

Question 13

Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?

Options:

Current framework

Next frame

Previous frame

None of the above

Discussion

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Question 14

Which of the following is the basic requirement of the DWDM system in the light source?

Options:

output wavelength stabilization

Use the direct modulation method

Low dispersion tolerance.

The launch function is very high

Discussion

Question 15

Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).