Size Network
2010
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Size Network
NETWORKING and applications
Development in the computer hardware and software technologies has enabled us to send and receive data from all over the world. This process is possible by the vast network that connects all the PCs that are in use. A computer network can be divided to Local Area Network (LAN), networking between computers in a building of a office, medium sized networks (MAN), communication between two offices in a city and wide area networks (WAN) networking between the computers, one that is locally placed and the other can be in some part of the continent.
Wide area connection is possible only with the help of a Router. The Internet is the world's largest network connection, which connects millions of computers that are used globally.
Computer networking can be client-server and peer to peer. Server plays the major role in the client-server networking where it stores all the files and data in the form of web pages and are retrieved to the client in the request of the client. The server is the supreme here with all the clients connected to the server for the information.
A network topology makes up the structure and the layout of networks. The star topology is the commonly used one with a hub which connects all the computers in an area which in turn is connected to the server.
Data flow or communication can be divided into seven logical layers called OSI layers model. The layers are as follows:
1. Application layer
2. Presentation layer
3. Session layer
4. Transport layer
5. Network layer
6. Data Link layer
a. Media access control sub-layer
b. Logical link control sub-layer
7. Physical layer
About the Author
what would be a good key size for encryption in wireless sensor network?
WEP, but preferrably WPA. The longer the better. 128-bit encryption or more. Better yet, make it a random combination of symbols, numbers, and letters. Try not to use dictionary words.
In the Bedroom with Dr. Laura Berman - A Matter of Penis Size - Oprah Winfrey Network
