Bit stuffing refers to
2016
Bit stuffing refers to
- A.
inserting a \'0\' in user stream to differentiate it with a flag
- B.
inserting a \'0\' in flag stream to avoid ambiguity
- C.
appending a nibble to the flag sequence
- D.
appending a nibble to the use data stream
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Correct answer: A
Solution: In bit stuffing, the sender inserts a 0 after every five consecutive 1s in the user data stream so that the data never matches the flag pattern (01111110). This avoids confusion between data and frame boundaries.
Mapped Topic: Data Link Layer – Framing → Bit-Oriented Framing → Bit Stuffing.
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