The purpose is the preamble signals to the receiving node that
data is incoming and indicates when the data flow is about to
begin. The SFD (start-of-frame delimiter) identifies where the data
field begans.
The purpose is the preamble signals to the receiving node that
data is incoming and indicates when the data flow is about to
begin. The SFD (start-of-frame delimiter) identifies where the data
field begans.
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yes,data link layer finalize and frame a packet as frame is a
series of bits that units a data.........
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frame
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sixth bit is 1
seventh bit is 1
eigth bit is 0
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Piggybacking sending an acknowledgement in an individual frame
it is piggy-backed on the data frame.