Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q801: Block coding ensures _______ to improve synchronization.
- A: redundancy
- B: data compression
- C: error correction
- D: security
View Answer
A
Q802: What does Block coding improve in line coding performance?
- A: synchronization
- B: processing speed
- C: security
- D: error handling
View Answer
A
Q803: Block coding changes a block of ‘m’ bits into a block of ‘n’ bits, where _______ is greater than ‘m’.
- A: ‘n’
- B: ‘m’
- C: ‘x’
- D: ‘k’
View Answer
A
Q804: Which of the following is true about Block coding?
- A: It improves line coding performance.
- B: It reduces redundancy.
- C: It uses less bits for encoding.
- D: It doesn't affect synchronization.
View Answer
A
Q805: Redundancy in Block coding is needed to ensure _______.
- A: synchronization
- B: accuracy
- C: security
- D: speed
View Answer
A
Q806: In mB/nB encoding technique, ‘m’ refers to the _______ of bits in the input block.
- A: number of bits
- B: length of data
- C: frequency of transmission
- D: none
View Answer
A
Q807: In Block coding, the value of ‘n’ must be _______ than ‘m’.
- A: greater
- B: less
- C: none
- D: equals
View Answer
A
Q808: Block coding technique is used to encode _______ data.
- A: blocks of bits
- B: individual bits
- C: large files
- D: text documents
View Answer
A
Q809: Which of the following is true about Block coding in terms of synchronization?
- A: It improves synchronization by introducing redundancy.
- B: It reduces redundancy in synchronization.
- C: It doesn't affect synchronization.
- D: It provides error-free synchronization.
View Answer
A
Q810: Biphase schemes are suitable for _______.
- A: LAN
- B: Long Distance
- C: Mobile Networks
- D: WAN
View Answer
A