In computing a network interface is a system’s (software and hardware) interface between two pieces of equipment or protocol layers in a computer network.
A network interface will usually have some form of network address. This may consist of a node ID and a port number or may consist of a node ID in its own right,
Network interface provide standardized functions such as passing message, connecting and disconnecting, etc.
DTE and DCE
What is DTE(Data Terminal Equipment)?
It is an instrument that converts user information into signals or reconvert that recieved signals .DTE communicate with DCE .
DTE is the terminal like computer
DTE is the device where communication line ends.
What is DCE(Data Communication Equipment)?
It is also called the Data circuits terminating equipment and sits between the DTE and data transmission circuits.
DCE is usually a modem ,router .
It performs function such as signal conversion coding.
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