Networking Basics

Hi... Frnds start learning CCNA. Now i start with networking basics. Please post ur doubts to arun2xy@rediffmail.com or give comments.

NETWORKING

As u all know about it... Networking is collection of two or more computers basically to share hardware devices and software application. Lets see about it....

WHY A COMPUTER NETWORK?

The main reasons are:

• Distribute pieces of computation among computers (nodes)
• Coordination between processes running on different nodes
• Remote I/O Devices
• Remote Data/File Access
• Personal communications (like e-mail, chat, audio/video conferencing)
• World Wide Web
• ... and many other uses

TYPES OF NETWORKS

We can categorize different types of network for historical reasons, the networking industry refers to nearly every type of design as some kind of area network.

Types of area networks are ,

• LAN - Local Area Network
• WLAN - Wireless Local Area Network
• WAN - Wide Area Network
• MAN - Metropolitan Area Network
• SAN - Storage Area Network, System Area Network, Server Area Network, or sometimes Small Area Network
• CAN - Campus Area Network, Controller Area Network, or sometimes Cluster Area Network
• PAN - Personal Area Network
• DAN - Desk Area Network

mostly known area networks are LAN and WAN, other networks are used gradually emerged of technology evolution.

NETWORKING DEVICES

To know about networking devices click following link...

computer network devices guide...

ok frnds lets study about osi layers and standards in next post...

for more queries mail to arun2xy@rediffmail.com