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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
3. a) PPP is based closely on HDLC, which uses bit stuffing to prevent accidental flag bytes
within the payload from causing confusion. Give at least one reason why PPP uses byte
stuffing instead.
8M
b) An IP packet to be transmitted by Ethernet is 60 bytes long, including all its headers. If
LLC is not in use, is padding needed in the Ethernet frame, and if so, how many bytes?
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