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

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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

Question 14

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

Options:

output wavelength stabilization