Network diagrams

Network diagrams

• We will learn about a number of things about internet infrastructure term.
• Server
• Client
• Router
• Connecting backbone

Server

• A Computer or program which runs purely to serve the needs of other computers. It runs special server software to service the requirements of users (Clients.) There are several types of servers, Including file serves and printer servers on a local area network (LAN), and web email servers that manage communications with the internet.
• https://www.youtube.com/watch?v=H9q69HmFGg4 (Embed)

Client

• A computer which uses the services provided by the server.
• https://www.youtube.com/watch?v=sXuMrSkyTpY (Embed)

Router

• A router is a piece of hardware that connects two or more networks. In relation to the internet, data from the ISP Is sent to into the network and the router then directs the the data packets to the correct destinations. The router also handles data travelling in the other direction. Routers can be described as 'Directors of traffic' for the networks.
• https://www.youtube.com/watch?v=qxb9qSvzTn8 (Embed)

Connecting Backbone

• Connecting Backbone is the main connecting data route between large networks on the internet and smaller networks in local regions.
• https://www.youtube.com/watch?v=yldEK1-7Ws4 (Embed)

Connection methods

• You will be required to know three methods for connecting to the internet with advantages and disadvantages for each
• Wireless
• Broadband
• Dial-up

Wireless

• Advantages
• Its not fixed to a stationary computer and can be used wherever there is wireless hub which is accessible.
• Disadvantages
• Need to have access to a wireless hub, Can be less secure than wired connections and they tend to have slower data transmission speeds than wired broadband methods.
• https://www.youtube.com/watch?v=8cCiSTFPUnk (Embed)

Broadbands

• Advantages
• Broadband connections can give better reception and are usually faster than dial-up.
• Disadvantages
• Broadband requires a base which is wired in