Practice Quiz in Digital Transmission Part 3

Online Practice Quiz in Digital Transmission part 3 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

Practice Quiz in Digital Transmission

This is the Online Practice Quiz in Digital Transmission part 3 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 III of the Online Practice Quiz

Quiz in Digital Transmission

Question 21. There are three sampling methods: __________.

A. ideal, natural, and flat-top

B. ideal, sampled, and flat-top

C. quantized, sampled, and ideal

D. none of these


Question 22. In decoding a digital signal, the receiver calculates a running average of the received signal power, called the _______.

A. base

B. line

C. baseline

D. none of these


Question 23. _______ provides redundancy to ensure synchronization and inherent error detection.

A. Line coding

B. Block coding

C. Scrambling

D. none of these


Question 24. Which quantization level results in a more faithful reproduction of the signal?

A. 2

B. 8

C. 16

D. 32


Question 25. The ________ rate defines the number of data elements sent in 1s; the ______ rate is the number of signal elements sent in 1s.

A. signal; data

B. data; signal

C. baud; bit

D. none of these


Question 26. In Manchester and differential Manchester encoding, the transition at the middle of the bit is used for __________.

A. bit transfer

B. synchronization

C. baud transfer

D. none of these


Question 27. ___________ conversion involves three techniques: line coding, block coding, and scrambling.

A. Analog-to-analog

B. Analog-to-digital

C. Digital-to-analog

D. Digital-to-digital


Question 28. _______ encoding has a transition at the middle of each bit.

A. Manchester

B. Differential Manchester

C. RZ

D. all of these


Question 29. Unipolar, bipolar, and polar encoding are types of _______ encoding.

A. line

B. block

C. NRZ

D. Manchester


Question 30. ______ substitutes eight consecutive zeros with 000VB0VB.

A. B4B8

B. B8ZS

C. HDB3

D. none of these

More Practice Quiz in Digital Transmission

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

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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