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H31-311_V2.5 Exam Questions Tutorials

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Total 246 questions

HCIA-Transmission V2.5 Questions and Answers

Question 45

Are the following statements regarding the definition of SDH correct?

Options:

A.

hierarchy that can be used for asynchronous digital transfers

B.

A hierarchy of standardized digital signals that can be asynchronously reused

C.

A hierarchy of standardized digital signals that can be cross-connected asynchronously

D.

Complete hierarchy of standard mathematical signals, providing simultaneous digital transmission multiplexing and cross-connectivity

Question 46

In WDM systems, it is ideal to use a dielectric thin film filter (TFF) when using less than () wavelengths.

Options:

A.

4

B.

8

C.

16

D.

20

Question 47

In the OTN standard system, which of the following protocols defines optical transport network interfaces?

Options:

A.

G.8/4

B.

G.709

C.

G.798

D.

G.694

Question 48

The dual fiber ring topology consisting of three network elements is arranged in counterclockwise order as the service between A, B and C A and C occupies the first VC-48 on the short path VC-12 time slots, B and C of the same service also occupy the 48th of the first VC-4 on the short path VC-12 time slots

Options:

A.

Unidirectional path protection ring

B.

SNCP ring

C.

Bidirectional MSP ring

D.

All of the above

Page: 12 / 18
Total 246 questions