Network Administrator

A network administrator is a person who is responsible to maintain to hardware and software that comprise a network. It usually a technical or network staff in an organization but rarely involved with direct user support.

Network Operating Systems

Network Operating System is the software that runs on a server and enables the server to manage data, users, groups, security, applications, and other networking functions. It allows to share files and printer access among multiple computers in a network, generally a local area network(LAN), or private network or to another network.

Server

A server is a computer program runs to serve the needs or request of other programs which may or may not be running on the same computer. often provide essential services across a network, either to private users inside a large organization or to public users via the internet.

Client

A client is an application or system that a remote service on another computer system, known as server, to connect the network. The device is not capable of running stand-alone programs, but interact with remote computers through a network.

Node

A node is a connection point, it depends on the network and protocol layer referred to. A physical network node is an active electronic device to connect to the network, and is capable of sending, receiving, or forwarding information over a communications channel.

TCP/IP

The TCP/IP (Internet Protocol Suite) is specific networking protocols which enable computer to communicate over a network. TCP/IP provides end-to-end connectivity specifying how data should be formatted, addressed, transmitted, routed and received at the destination.

Bandwidth

A bandwidth is a rate of data transfer, bit rate or throughput, measured in bits per second (bps).