Computer Networking
IEEE project 802 divides the data link layer into an upper _____ sublayer and a lower _____ sublayer.

LLC, MAC
MAC, LLC
PDU, HDLC
HDLC, PDU
None of these

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Computer Networking
The main difference between TCP and UDP is

UDP is connection oriented where as TCP is datagram service
TCP is an Internet protocol where as UDP is an ATM protocol
None of these
All of these
UDP is a datagram where as TCP is a connection oriented service

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