Multiple choice Bit snuffing is inserting a '0' is user data stream to differentiate it with a flag inserting a '0' in flag stream to avoid ambiguity appending a nibble to the flag sequence appending a nibble to the user data stream Reveal answer Fill a bubble to check yourself A Correct answer Explanation Bit stuffing (often called bit stuffing, not snuffing) is the process of inserting a bit (usually a 0) into a data stream to prevent a sequence of bits from being misinterpreted as a control flag.