Practice Quiz in SONET / SDH Part 1

Online Practice Quiz in SONET / SDH part 1 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 1 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.

Start Part I of the Online Practice Quiz

Quiz in SONET / SDH

Question 1. Each ________in a SONET frame can carry a digitized voice channel.

A. frame

B. bit

C. byte

D. None of these


Question 2. In ______ APS, there is one working line and one protection line. The data are normally sent on the working line until it fails.

A. one-to-one

B. one-plus-one

C. one-to-many

D. None of these


Question 3. The _______ layer corresponds to the physical layer of the OSI model.

A. photonic

B. path

C. line

D. section


Question 4. The path overhead consists of ______ bytes.

A. 18

B. 9

C. 6

D. 1


Question 5. In SONET, for each frame, the bytes are transmitted __________.

A. from left to the right, bottom to top

B. from left to the right, top to bottom

C. from right to the left, top to bottom

D. from right to the left, bottom to top


Question 6. An ______ signal is the optical modulation of an STS-n (or STM-n) signal.

A. FDM-n

B. OC-n

C. TDM-n

D. none of these


Question 7. SONET has defined a hierarchy of signals called ________.

A. STMs

B. STSs

C. either (a) or (b)

D. neither (a) nor (b)


Question 8. A _______ is the optical link connecting two neighbor devices.

A. path

B. line

C. section

D. none of these


Question 9. _______ is a standard developed by ITU-T.

A. SONET

B. SDH

C. either (a) or (b)

D. neither (a) nor (b)


Question 10. SONET is a _______ TDM system.

A. statistical

B. asynchronous

C. synchronous

D. none of these

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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