Yasmin  Page
Mind Map by Yasmin Page, updated more than 1 year ago
Yasmin  Page
Created by Yasmin Page about 1 year ago


Mind Map on Network, created by Yasmin Page on 01/17/2020.

Resource summary

  1. disadvantages
    1. viruses can spread to other computers throughout a computer network
      1. purchasing the network cabling and file servers can be expensive
        1. there is a danger of hacking, particularly with wide area networks
          1. managing a large network is complicated, requires training and a network manager usually needs to be employed
          2. advantages
            1. sharing devices such as printers saves money
              1. site licences are likely to be cheaper than buying several standalone licences
                1. files can easily be shared between users
                  1. network users can communicate by email and instant messenger
                    1. data is easy to backup as all the data is stored on the file server
                      1. security is good - users cannot see other users' files unlike on stand-alone machines
                      2. Bus Topology
                        1. advantages
                          1. fast (low chance of collisions)
                            1. it is easy to set up, handle, and implement
                              1. low chance of catastrophic failure (a broken cable only takes out one computer, the rest of the network is fine)
                              2. disadvantages
                                1. the cable length is limited. this limits the number of network nodes that be connected.
                                  1. each device on the network sees all the being transmitted, thus posing a security risk.
                                    1. it is heavily dependent on the central bus. a fault in the bus leads to network failure.
                                  2. Ring Topology
                                    1. advantages
                                      1. the traffic is unidirectional and the data transmission is high speed
                                        1. in comparison to a bus, a ring is better at handling load
                                          1. the configuration makes it easy to identify faults in network nodes
                                          2. disadvantages
                                            1. the failure of a single node in the network can cause the entire network to fail
                                              1. the movement or changes made to network nodes affect the entire netwotk's performance
                                                1. there is heavy dependency on the wire connecting the network nodes in the ring
                                              2. IP Address
                                                1. computers on a network also need an address to identify them
                                                  1. when a computer is added to a network it is assigned an IP Address
                                                    1. the IP Address is unique value assigned to each computer on a network
                                                      1. each IP address on a network must be unique
                                                        1. the IP Address is a 32-bit binary value. this means its made up 32 1s and 0s
                                                        Show full summary Hide full summary


                                                        OCR gcse computer science
                                                        Jodie Awthinre
                                                        GCSE AQA Computer Science - Definitions
                                                        James Jolliffe
                                                        A2 WJEC Networks Quiz
                                                        Henry Cookson
                                                        IT quiz
                                                        Aaron Foo
                                                        social network
                                                        sumaya Alfuhid
                                                        Social network In Education
                                                        basoomh as
                                                        7.1 Internet Protocols
                                                        Karina A
                                                        7.1 Internet Protocols
                                                        Petey Zee
                                                        Computer Networks Flashcards
                                                        Joel Smith
                                                        1.3 Network and Security Components
                                                        DJ Perrone
                                                        Network Revision