Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2211: Byte stuffing is most associated with which kind of data framing?
- A: Character-oriented
- B: Bit-oriented
- C: Connectionless
- D: Connection-oriented
View Answer
D
Q2212: Fill in the blank: Byte stuffing is used in _______ framing to ensure data transparency.
- A: connectionless
- B: connection-oriented
- C: time-based
- D: frame-synchronous
View Answer
B
Q2213: Which issue arises with Unicode in byte stuffing?
- A: Control flags are incompatible
- B: It exceeds 8 bits
- C: Unicode characters cannot be flagged
- D: They use parity bits
View Answer
B
Q2214: What character encoding can cause issues for byte stuffing designed for 8-bit characters?
- A: ASCII
- B: UTF-8
- C: Unicode
- D: Binary
View Answer
C
Q2215: Which method ensures a receiver can correctly distinguish a flag from data in byte-stuffed framing?
- A: Bit stuffing
- B: Error correction
- C: Byte stuffing
- D: Byte shifting
View Answer
C
Q2216: What does the data section of a bit-oriented frame consist of?
- A: A sequence of characters
- B: A sequence of numbers
- C: A sequence of bits
- D: A sequence of bytes
View Answer
C
Q2217: Fill in the blank: Bit-oriented framing requires a _______ to separate frames.
- A: protocol
- B: counter
- C: delimiter
- D: pointer
View Answer
C
Q2218: Which 8-bit pattern is commonly used to mark the start and end of a bit-oriented frame?
- A: 11110000
- B: 1111
- C: 1111110
- D: 10101010
View Answer
C
Q2219: Bit stuffing is a technique used to:
- A: Compress the frame
- B: Encrypt the data
- C: Prevent flag confusion
- D: Convert binary to decimal
View Answer
C
Q2220: When is bit stuffing applied during transmission?
- A: When a checksum is added
- B: When five consecutive 1s appear in the data
- C: When a flag is detected in header
- D: When encryption is enabled
View Answer
B