Terminology of data communication (Data Communication and network)

Terminology of data communication:

There are 6 key terminology of data communication:

1.       Session

2.       Node

3.       Link

4.       Path

5.       Circuit

6.       Protocol

1.       Session:

It is communication dialog between network users or application called session.

2.       Node:

A network attached device.

3.       Link:

Connect Adjacent (end-to-end) Nodes.

4.       Path:

End-to-end route within a network.

5.       Circuit:

The Channel over which data travels.

6.       Protocol:

Set of rules that govern the communication.