Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2181: Fill in the blank: In fixed-size framing, ______ acts as a delimiter.
- A: checksum
- B: size
- C: header
- D: packet
View Answer
B
Q2182: How does variable-size framing identify frame boundaries?
- A: Using timers
- B: Using size bits
- C: Using special pattern of bits
- D: Using sequence numbers
View Answer
C
Q2183: What is a key challenge in using variable-size frames?
- A: Error detection
- B: Compression
- C: Identifying frame boundaries
- D: Address translation
View Answer
C
Q2184: Fill in the blank: ______ framing requires a method to identify where a frame begins and ends.
- A: Fixed-size
- B: Segment-based
- C: Block-level
- D: Variable-size
View Answer
D
Q2185: Which of the following is a disadvantage of using a single large frame?
- A: Higher throughput
- B: Faster acknowledgment
- C: Larger error impact
- D: Reduced overhead
View Answer
C
Q2186: What is the purpose of defining the beginning and end of a frame?
- A: To encrypt data
- B: To control congestion
- C: To separate messages
- D: To detect viruses
View Answer
C
Q2187: Fill in the blank: ______-size frames rely on length to determine boundaries.
- A: Fixed
- B: Variable
- C: Static
- D: Compact
View Answer
A
Q2188: In which framing type does the frame size itself act as a boundary?
- A: Fixed-size
- B: Variable-size
- C: Window-based
- D: Byte-counted
View Answer
A
Q2189: What technique is necessary to define boundaries in variable-size framing?
- A: Packet buffering
- B: Bit stuffing
- C: Start and stop bits
- D: Error detection
View Answer
B
Q2190: Which type of frame makes it easier to detect the start and end without extra bits?
- A: Variable-size
- B: Fixed-size
- C: Compressed
- D: Encrypted
View Answer
B