ocr computer science 1.3.1

ocr computer science 1.3.1

1. types of network

   • wan
     • a wide area network that spans over 2 or more geographical networks
   • lan
     • a network that is geographically confined to one building or site.

2. factors that affect the performance of networks

   • latancy
   • bandwidth
   • transmission median
     • wired
     • wireless

3. hardware needed to connect computers to lan's

   • wireless access points
   • routers
   • switches
   • network interface controller
   • transmission media

4. differant roles of computers in a client server and peer to peer network

   • server
     • a computer that manages and stores files
   • client
     • a computer that relies on other computers to provide and manage data.
   • peer to peer
     • Each computer stores files and acts as a server.

5. dns

6. hosting

   • Hosting is the storing of files and data on a web server. The web server is referred to as a host.

7. the cloud

   • it is online storage where can store your data without taking up tour storage

8. web server

   • a server that hosts websites

9. topologies

   • star
     • In a star topology all nodes indirectly connect to each other through one or more switches. The switch acts as a central point through which all communications are passed.
   • mesh
     • partial mesh
       • a partial mesh is where all nodes are connected to at least one other node. it is easier to set up than a full mesh
     • full mesh
       • a full mesh is where every node i connected to eachother

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