# Practice Quiz in Error Detection and Correction Part 2

Online Practice Quiz in Error Detection and Correction part 2 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

This is the Online Practice Quiz in Error Detection and Correction 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 Error Detection and Correction

Question 11. In modulo-2 arithmetic, we use the ______ operation for both addition and subtraction.

A. OR

B. XOR

C. AND

D. None of these

Question 12. In _____ coding, we divide our message into blocks, each of k bits, called ______.

A. block; blockwords

B. block; datawords

C. linear; datawords

D. none of these

Question 13. In block coding, if n = 5, the maximum Hamming distance between two codewords is ________.

A. 5

B. 3

C. 2

D. none of these

Question 14. Adding 1 and 1 in modulo-2 arithmetic results in _________.

A. 0

B. 1

C. 2

D. none of these

Question 15. We can divide coding schemes into two broad categories: ________ and ______coding.

A. linear; nonlinear

B. block; convolution

C. block; linear

D. None of these

Question 16. In ________ error correction, the receiver corrects errors without requesting retransmission.

A. onward

B. forward

C. backward

D. none of these

Question 17. The Hamming distance between equal codewords is _________.

A. 0

B. 1

C. n

D. none of these

Question 18. If the Hamming distance between a dataword and the corresponding codeword is three, there are _____ bits in error.

A. 5

B. 4

C. 3

D. None of these

Question 19. In modulo-2 arithmetic, we use only ______.

A. 1 and 2

B. 0 and 1

C. 0 and 2

D. None of these

Question 20. Checksums use _________ arithmetic.

A. one's complement arithmetic

B. two's complement arithmetic

C. either (a) or (b)

D. none of these

### More Practice Quiz in Error Detection and Correction

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

### 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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