Networks

Description

Mind Map on Networks, created by Elsie Donovan on 01/09/2022.
Elsie Donovan
Mind Map by Elsie Donovan, updated more than 1 year ago
Elsie Donovan
Created by Elsie Donovan about 2 years ago
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Resource summary

Networks
  1. Disadvantages
    1. Expensive
      1. problems like viruses could affect every computer on that network
        1. Expertise is needed to set up and maintain the network
        2. types of networks
          1. LAN
            1. a network in a small area or small organisation
              1. Local Area Network
              2. WAN
                1. Wide Area Network
                  1. A network that spans a large area or multiple organisations
                2. Advantages
                  1. Share printers and share internet connections
                    1. same files are available on whichever computer
                      1. The same username and passwords can be used on any computer connected to the network
                      2. Topology's
                        1. Bus
                          1. advantage:cheap to install
                            1. disadvantage:lots of collisions
                            2. Star
                              1. advantage:easy to add new computers
                                1. disadvantage:expensive
                                2. Ring
                                  1. Advantage: cheap to install
                                    1. disadvantage:high chance of catastrophic failure
                                  2. IP addresses
                                    1. An IP address is a unique value assigned to every computer on a network, used to identify it.
                                      1. Messages on a network have an IP address attached, which is how a computer knows whether or not to keep the message.
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