Practice Quiz in SONET / SDH Part 2

Online Practice Quiz in SONET / SDH part 2 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

Practice Quiz in SONET / SDH

This is the Online Practice Quiz in SONET / SDH part 2 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part II of the Online Practice Quiz

Quiz in SONET / SDH

Question 11. A linear SONET network can be __________.

A. multipoint

B. point-to-point

C. either (a) or (b)

D. neither (a) nor (b)


Question 12. An add/drop multiplexer is a ______ device.

A. four-layer

B. three-layer

C. two-layer

D. one-layer


Question 13. __________ allow insertion and extraction of signals.

A. STS multiplexer/demultiplexers

B. regenerators

C. ADMs

D. none of these


Question 14. In ________ APS, there are normally two lines: one working line and one protection line. Both lines are active all the time.

A. one-to-one

B. one-to-many

C. one-plus-one

D. none of these


Question 15. Line overhead consists of ________ bytes.

A. 18

B. 9

C. 6

D. 1


Question 16. In SONET each frame lasts _______ microseconds.

A. 20

B. 64

C. 125

D. none of these


Question 17. A ring SONET network can be _________.

A. bidirectional

B. unidirectional

C. either (a) or (b)

D. neither (a) nor (b)


Question 18. _______ is a standard developed by ANSI for fiber-optic networks.

A. SDH

B. SONET

C. either (a) or (b)

D. neither (a) nor (b)


Question 19. The section overhead consists of ______octets.

A. 18

B. 9

C. 6

D. 1


Question 20. SDH has defined a hierarchy of signals called ________.

A. STMs

B. STSs

C. either (a) or (b)

D. neither (a) nor (b)

More Practice Quiz in SONET / SDH

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.


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