Error Detection Correction Techniques MCQs

12 MCQs — Computer Networks MCQs (Page 1 of 2)

Practice Error Detection Correction Techniques MCQs with correct answers and explanations. These questions are from the Computer Networks MCQs section.

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What is the hamming distance between the words 1010101, 1100110?

A. 4
B. 5
C. 8
D. 3

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What is the disadvantage of the burst errors over single bit errors in error detection and correction?

A. Difficult to correct
B. Difficult to detect
C. High error rate
D. Frequent occurring

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What is the minimum hamming distance between the words 0001, 0100, 0110, 1111?

A. 1
B. 2
C. 3
D. 4

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Which of the following is an error correcting code?

A. Checksum
B. Parity
C. Cyclic redundancy check
D. Hamming codes

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An error is burst error, if two or more consecutive bits of the data unit are corrupted.

A. True
B. False
C.
D.

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How many bits will be added to a data word to become a code word in simple parity check code?

A. 1 bit
B. 2 bits
C. 0 bits
D. 4 bits

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Which of the following error correcting code is not a linear bock code?

A. Low density parity check
B. Hamming codes
C. Binary convolution codes
D. Reed-solomon codes

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Which error correcting code works well for burst errors among the following?

A. Cyclic redundancy check
B. Hamming code
C. Checksum
D. Reed solomon codes

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What is the maximum number of errors that can be detected using two-dimensional parity check code?

A. 4
B. 5
C. 3
D. 2

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Simple parity-check is used to detect the even number of errors also.

A. True
B. False
C.
D.

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