Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2191: Why is boundary identification critical in variable-size framing?
- A: To reduce latency
- B: To handle retransmissions
- C: To separate data accurately
- D: To encrypt frames
View Answer
C
Q2192: Which of the following is a variable framing technique?
- A: Fixed-length Framing
- B: Header-based Framing
- C: Character-Oriented Framing
- D: Cyclic Framing
View Answer
C
Q2193: What does bit-oriented framing use to mark frame boundaries?
- A: Characters
- B: Bytes
- C: Bit patterns
- D: Packet counters
View Answer
C
Q2194: In character-oriented framing, frames are delimited by _______.
- A: byte sequences
- B: ASCII characters
- C: flow control bits
- D: control frames
View Answer
B
Q2195: Character-oriented framing is also referred to as _______.
- A: Byte-count framing
- B: Stream framing
- C: Byte-oriented framing
- D: Frame sequencing
View Answer
C
Q2196: Bit-oriented framing typically uses _______ to indicate the start and end of a frame.
- A: Bit stuffing
- B: Byte stuffing
- C: Special characters
- D: Parity bits
View Answer
A
Q2197: Fill in the blank: In character-oriented framing, special characters like _______ are used for frame boundaries.
- A: STX and ETX
- B: ACK and NAK
- C: ENQ and EOT
- D: SYN and FIN
View Answer
A
Q2198: Which of the following is NOT true about character-oriented framing?
- A: It is easier to implement
- B: It works well with ASCII
- C: It is efficient with binary data
- D: It uses control characters
View Answer
C
Q2199: What issue is bit stuffing meant to solve in bit-oriented framing?
- A: Address resolution
- B: Error correction
- C: Frame alignment
- D: Acknowledgment delay
View Answer
C
Q2200: Fill in the blank: In bit-oriented framing, if a pattern similar to the flag appears in data, _______ is used.
- A: parity checking
- B: frame duplication
- C: byte stuffing
- D: bit stuffing
View Answer
D