COMPUTER NETWORKS

Hello, last week we studied about networks, now I can show you some types of it.

Computer networks are used to:

• Share resources.
•  Share information.
•  Sharing services.
•  Cost savings. 
•  Centralized Management

1.   There are four types of networks according to their size:

PAN:  Are uses to communicate devices for a few of metres.

LAN: Are uses to communicate devices in a house.

MAN: Are uses to communicate devices between cities.

WAN: Are uses to communicate devices between countries.

 2. There are networks according to their privacy:

Internet: is a global computer network

Intranet: is a network that uses internet tools

Extranet: is a virtual private network

3.   There are also networks peer to peer (P2P) or client- servers according to their relationship.