S: Computer Network
BC: Gerardo Arroyo Organista Technology Jan. 2011
FC: How the information travels through the ATS LAN?
1: It all starts when charly wants to go to www.mixbook.com and he writes the URL in the browser.
2: The computer manage the information and send it to the NIC where the UTP cable is connected.
3: The router receive the information from the node (the computer where charly is workining( The router works with fiber optic cable. The optical fiber has the same function of a UTP cable but the main difference is that the optic fibre cable is for send information to long distances. | Router | Optical Fiber
4: With the help of the optic fiber all these information goes to the SITE. The SITE is the place where are the most important components of a LAN.
5: In the SITE we can found the proxy server. The proxy server in the server that provide the client (charlys computer) the resources to connect to the website.
6: After that, the firewall evaluates the information to make sure it is secure for the LAN.
7: Then all the precess go the same way back to charlys computer again so he can get. www.mixbook.com in his computer.
8: Why Computers networks are so important for the society?
9: A Computer Network helps the society to save resources. Some places need lots of computers. Without a computer network the access to the resources (internet, files, printers, etc) would be a lot harder.