By Julia Nguyen B2. What is it?  Networking is two or more computers linked together  Two common types are Local Area Network (LAN) and Wide Area Network.

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Presentation transcript:

By Julia Nguyen B2

What is it?  Networking is two or more computers linked together  Two common types are Local Area Network (LAN) and Wide Area Network (WAN)

 LAN is small network area like an office or building  Information is stored in a file server  Print servers let many people use the same printer

 WAN has a wide geographical area  Four types of Wide Area Networks are: Metropolitan Area Network(MAN), Public Access Network (PAN), Value Added Network (VAN), an Virtual Private Network (VPN)

 Though LAN and WAN are common types of networks, there are others!  Two types are Intranet and Extranet

 Intranet is a private LAN that’s made to be used by everyone in an organization  It may have an internal system, message from board  Restricted by a firewall to have access to intranet’s web

 Extranet connects people within company that is outside of the company  Is a secure password protected network that anyone can access

 MAN is two or more computers which are geographically separated but in same metropolitan city  For example: University, hospital, business

 Networks can be grouped into topology like: Bus topology, Star topology, and Ring topology  The topology shows the relation of the device and network

 If a networked computer is connected to a hub, it has Star topology, instead of Bus topology  It depends on the physical layout

 Can share information  Share hardware  Share Software  Collaborative environment

 Computer hackers  Virus attacks

There are so many careers in computer science! One specific career is a web developer!

 The job of a Web Designer/ Developer has the responsibility of the Website’s looks and how it works  They program codes, test and upload the site!  They must also have a creative imagination

 Web Designers have training on the job  Web Designers will have a salary of over £18,000 to £40,000 or more!

 Mr. Webster’s PowerPoint on networking  Computer networks, author unknown  job-description Web Design/Developer, Author: Creative Pool job-description