The following character encoding is used in a data link protocol: A: 01000111 B: 11100011 FLAG: 01111110 ESC: 11100000 Show the bit sequence transmitted (in binary) for the four-character frame A B ESC FLAG when each of the following framing methods is used: (a) Byte count

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The following character encoding is used in a data link protocol: A: 01000111 B: 11100011 FLAG: 01111110 ESC: 11100000 Show the bit sequence transmitted (in binary) for the four-character frame A B ESC FLAG when each of the following framing methods is used:

(a) Byte count. (the count takes a byte in the frame)

(b) Flag bytes with byte stuffing.

(c) Starting and ending flag bytes with bit stuffing

(d) Compute the overheads in the above three framing methods respectively. The overhead is the ratio of the size of the stuffed frame (including delimiters) and the size of bit sequence transmitted through data link layer.