COMPUTER NETWORK

COMPUTER NETWORK

• What a computer network is?

A computer network or data network is a telecommunications network which allows nodes to share resources. In computer networks, networked computing devices exchange data with each other using a data link. The connections between nodes are established using either cable media or wireless media. The best-known computer network is the Internet.

• What a LAN is?

A local-area network (LAN) is a computer network that spans a relatively small area. Most often, a LAN is confined to a single room, building or group of buildings, however, one LAN can be connected to other LANs over any distance via telephone lines and radio waves.

• What an IP number is?    

An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing.

• How to find computer IP number?

For any version of Linux system, simply by typing ''ipconfig'' at the prompt, you will see all of the information about my IP Address.

• How to find the router in your net?

Tired of being the only wireless network in your apartment building without a clever name like “Wu-tang LAN,” or “Bill Wi the Science Fi?” Looking to finally add a password to your network that prevents your neighbors from mooching off your internet connection? Most routers come with a default IP address and login credentials, which vary from one manufacturer to the next.