Computer Networking
Which of the following communications modes support two-way traffic but in only one direction of a time?

simplex
three-quarters duplex
half-duplex
full-of the above
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
UDP is a datagram where as TCP is a connection oriented service
All of these
None of these
TCP is an Internet protocol where as UDP is an ATM protocol

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