Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2071: Which of the following best describes the nature of cyclic codes?
- A: Unreliable
- B: Probabilistic
- C: Deterministic
- D: Random
View Answer
C
Q2072: What happens if you cyclically shift a codeword in a non-cyclic linear block code?
- A: It becomes a new valid codeword
- B: It becomes shorter
- C: It becomes invalid
- D: It is unchanged
View Answer
C
Q2073: Fill in the blank: The cyclic property of a code ensures that a left-shifted version of a codeword is still _______.
- A: invalid
- B: unchanged
- C: encrypted
- D: valid
View Answer
D
Q2074: Cyclic codewords help in _______ implementation of encoders and decoders.
- A: digital
- B: serial
- C: simple
- D: complex
View Answer
C
Q2075: What will be the outcome if 1001101 is cyclically shifted to the left?
- A: 11011
- B: 11010
- C: 11101
- D: 110100
View Answer
A
Q2076: In cyclic codes, codeword shifting helps in _______ detection.
- A: parity
- B: bit
- C: error
- D: encryption
View Answer
C
Q2077: Fill in the blank: In cyclic codes, shifting all bits one position to the left and wrapping around is known as _______.
- A: linear shift
- B: cyclic left shift
- C: parity check
- D: coding technique
View Answer
B
Q2078: What does CRC stand for in the context of error detection?
- A: Code Rotation Circuit
- B: Cyclic Redundancy Check
- C: Central Register Code
- D: Cyclic Repetition Coding
View Answer
B
Q2079: Which type of networks commonly use CRC for error detection?
- A: Cellular networks
- B: Satellite networks
- C: LANs and WANs
- D: Private Intranets
View Answer
C
Q2080: Fill in the blank: CRC is a subset of _______.
- A: cyclic codes
- B: linear search
- C: rotating codes
- D: recursive functions
View Answer
A