networks

Description

Mind Map on networks, created by Sienna Bradbury-Harrold on 03/09/2021.
Sienna Bradbury-Harrold
Mind Map by Sienna Bradbury-Harrold, updated more than 1 year ago
Sienna Bradbury-Harrold
Created by Sienna Bradbury-Harrold about 3 years ago
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Resource summary

networks
  1. advantage's
    1. can fix hacks easy
      1. if your computer breaks it is saved
        1. firewall
          1. protects system
            1. data theft
              1. being hacked
              2. gives privacy
              3. minimises freezing
              4. types
                1. wan
                  1. Lan
                    1. ip adress
                      1. ring
                        1. star
                          1. bus
                            1. tapology
                              1. Can
                                1. Man
                                  1. san
                                  2. dis advantages
                                    1. if server breaks
                                      1. easy hack
                                        1. lacks independence
                                          1. poses security difficulties
                                          2. virus
                                            1. malwear
                                              1. dependancy
                                                1. can break
                                                  1. expensive
                                                    1. files become inaccessible
                                                    2. ipadress
                                                      1. 4 billion ip's
                                                        1. 32 bit
                                                          1. ip= unique value
                                                            1. I p addresses are unique
                                                              1. Unique value
                                                                1. Designed in 1983
                                                                  1. More than 4 billion
                                                                  2. Internet
                                                                    1. Huge global network
                                                                      1. Broad band routier
                                                                        1. Mesh topology
                                                                          1. Routing
                                                                            1. Packets
                                                                              1. If watching a video the place it’s being sent from send the video in small clips. The most necessary ones first eg: in chronological order so the video will play before it being all downloaded
                                                                              2. Cables under the sea
                                                                                1. Englands internet leaves in Portsmouth
                                                                                  1. Packets may take different routs
                                                                                    1. Packets reassembled
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