Computer Networking
To set up a bulletin board system you need

a smart modem with auto-answer capabilities
a telephone line
None of these
a personal computer
All of these

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Computer Networking
The main difference between TCP and UDP is

UDP is a datagram where as TCP is a connection oriented service
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

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