Flashcards
Network flashcards
Cards in this deck (13)
- 1Network:A group of connected computers
- 2Network Advantages*Share files, so the same files are available whichever computer you use.
*Share resources such as printers and Internet connection.
*Share Logins, so the same username and password can be used on every computer on the network. - 3Network Disadvantages*Cost: Networks are expensive to set up.
*Increased risk: problems such as viruses can affect every computer on the network.
*Difficulty: Expertise is needed to set up and maintain a network. - 4LANLocal Area Network
A network in a small area or single organization - 5WANWide Area Network
A network that spans a large area or multiple organizations - 6Topology:The arrangement of computers in a network
- 7BusOne wire connecting all the computers together
- 8RingAll computers connected in a circle
- 9StarAll computers are connected to the central hub, not the other computers
- 10IP AddressesA unique value assigned to every computer on a network, used to identify it. Messages on a network have an IP address attached, which is how a computer knows whether or not to keep the message
- 11The Internet*The Internet is arranged in Mesh Topology
*The layout of these nodes is called a Mesh Topology
*In a mesh topology, there is excellent resilience to outages as messages can take many different routes to reach a destination - 12Packets*All data on the Internet is split up into small chunks called packets
*Each packet is numbered and sent independently
*The packets are re-assembled on the other side - 13RoutingEach packet is sent along the lowest cost route
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- Flashcards on Network flashcards, created by Jasmine Edwards on 03/10/2020.
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- Jasmine Edwards
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- Created by Jasmine Edwards · Sep 28, 2020
- Copied by Jasmine Edwards · Oct 3, 2020
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