Comp sci

• WAP


  connects to a wired network, providing a wireless network radio signal for wireless devices to connect to
• Router


  Responsible for moving data from 1 network to another e.g. From your home network to the internet
• Switch 


  Enables multiple wired devices to connect to each other, directing data to the correct device when it arrived at a network
• NIC


  network interface card. enables a wired network connection between a computer and another networked device
• Transmission media 


  The cables used to send data from 1 device to another. can be copper or fibre glass
• Peer to peer a/d


  A: easier/cheaper set up cause no specialist knowledge. no single point of failure

  D: harder to share files. Security, back ups/updates have to be done on each machine individually
• Client server a/d


  A: files easily accessed from any machine: backs up/securit/updates controlled central. If 1 machine fails it won’t affect the network at all.

  D: hardware needed is more expensive, more complicated to set up/requires speciallist knowledge, if server goes down, whole network stops working