Question Bank - Computer Networks

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A bit-stuffing based framing protocol uses an 8-bit delimiter pattern of 01111110. If the output bit-string after stuffing is 01111100101, then the input bit-string is

A.
111110100
B.
111110101
C.
111111101
D.
111111111

Solution:

8-bit delimiter pattern: 01111110Output bit-string after stuffing: 01111100101Explanation:Since 011111 from in 8-bit delimiter pattern matches with the output string 01111100101 and hence 0 was appended therefore the input bit-string is 0111110101

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