# Practice Quiz in Digital Transmission Part 5

Online Practice Quiz in Digital Transmission part 5 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

This is the Online Practice Quiz in Digital Transmission part 5 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 V of the Online Practice Quiz

#### Quiz in Digital Transmission

Question 41. _______ encoding has a transition at the beginning of each 0 bit.

A. Differential Manchester

B. Manchester

C. RZ

D. all of these

Question 42. If the frequency spectrum of a signal has a bandwidth of 500 Hz with the highest frequency at 600 Hz, what should be the sampling rate, according to the Nyquist theorem?

A. 200 samples/s

B. 500 samples/s

C. 1000 samples/s

D. 1200 samples/s

Question 43. The idea of RZ and the idea of NRZ-I are combined into the ________ scheme.

A. Manchester

B. differential Manchester

C. both (a) and (b)

D. neither (a) nor (b)

Question 44. ________ is the process of converting digital data to a digital signal.

A. Line coding

B. Block coding

C. Scrambling

D. None of these

Question 45. In ______ transmission, we send 1 start bit (0) at the beginning and 1 or more stop bits (1s) at the end of each byte.

A. synchronous

B. asynchronous

C. isochronous

D. none of these

Question 46. ______ finds the value of the signal amplitude for each sample; ____ finds the change from the previous sample.

A. DM; CM

B. DM; PCM

C. PCM; DM

D. none of these

Question 47. Which of the following encoding methods does not provide for synchronization?

A. RZ

B. NRZ-L

C. NRZ-I

D. Manchester

Question 48. The most common technique to change an analog signal to digital data is called __________.

A. sampling

B. PAL

C. PCM

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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