Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 150
Q2181:
Fill in the blank: In fixed-size framing, ______ acts as a delimiter.
A. checksum
B. size
C. header
D. packet
Correct Answer:
B
Chapter: 150
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
Correct Answer:
C
Chapter: 150
Q2183:
What is a key challenge in using variable-size frames?
A. Error detection
B. Compression
C. Identifying frame boundaries
D. Address translation
Correct Answer:
C
Chapter: 150
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
Correct Answer:
D
Chapter: 150
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
Correct Answer:
C
Chapter: 150
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
Correct Answer:
C
Chapter: 150
Q2187:
Fill in the blank: ______-size frames rely on length to determine boundaries.
A. Fixed
B. Variable
C. Static
D. Compact
Correct Answer:
A
Chapter: 150
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
Correct Answer:
A
Chapter: 150
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
Correct Answer:
B
Chapter: 150
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
Correct Answer:
B
Chapter: 150
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
Correct Answer:
C
Chapter: 151
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
Correct Answer:
C
Chapter: 151
Q2193:
What does bit-oriented framing use to mark frame boundaries?
A. Characters
B. Bytes
C. Bit patterns
D. Packet counters
Correct Answer:
C
Chapter: 151
Q2194:
In character-oriented framing, frames are delimited by _______.
A. byte sequences
B. ASCII characters
C. flow control bits
D. control frames
Correct Answer:
B
Chapter: 151
Q2195:
Character-oriented framing is also referred to as _______.
A. Byte-count framing
B. Stream framing
C. Byte-oriented framing
D. Frame sequencing
Correct Answer:
C
Chapter: 151
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
Correct Answer:
A
Chapter: 151
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
Correct Answer:
A
Chapter: 151
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
Correct Answer:
C
Chapter: 151
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
Correct Answer:
C
Chapter: 151
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
Correct Answer:
D