Computer Networking
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?

Protocol
Duplexing
Modem options
None of these
Handshaking

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Computer Networking
The main difference between TCP and UDP is

TCP is an Internet protocol where as UDP is an ATM protocol
None of these
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

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Global network
Electronic mail
Electronic newspaper
Paperless office

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