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Data communication Quiz on CRC Quiz, created by ryo.iwata on 26/11/2013.

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CRC Quiz

CRC Quiz

Question 1 of 10

1

The Hamming distance between 10 and 00 is 2.

Select one of the following:

  • True

  • False

Explanation

Question 2 of 10

1

A burst errors means that 2 or more bits in the data unit have changed.

Select one of the following:

  • True

  • False

Explanation

Question 3 of 10

1

CRC-16/32 is mainly used in data communication.

Select one of the following:

  • True

  • False

Explanation

Question 4 of 10

1

An error-detecting code can detect only the types of errors for which it is designed; other types of errors may remain undetected.

Select one of the following:

  • True

  • False

Explanation

Question 5 of 10

1

You can find CRC field in IPv4 and IPv6 packets.

Select one of the following:

  • True

  • False

Explanation

Question 6 of 10

1

To guarantee the detection of upto 's' errors in all cases, the min Hamming distance in a block code must be dmin=s-1.

Select one of the following:

  • True

  • False

Explanation

Question 7 of 10

1

To detect or correct errors, we need to send extra bits (redundtant) bits with data.

Select one of the following:

  • True

  • False

Explanation

Question 8 of 10

1

Two bits are the same, the result is 0. Two bits are different, the result is 1.

Select one of the following:

  • AND

  • OR

  • NOT

  • XOR

Explanation

Question 9 of 10

1

CRC stands for Cyclic Redundancy Code.

Select one of the following:

  • True

  • False

Explanation

Question 10 of 10

1

The _______________ measures the minimum number of substitutions required to change one string into the other.

Select one of the following:

  • Humming Distance

  • Frequency

  • Voltage

  • Hamming distance

Explanation

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