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 nipple to the flag
sequence
d. appending a nipple to the use
data stream
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 nipple to the flag
sequence
d. appending a nipple to the use
data stream