Networks Mind Map

Networks Mind Map

1. Advantages Of Networks

   • You can share hardware, software & data
   • Can buy software licences in bulk and save money
   • Easily share files between users
   • Can communicate through network
   • Can be controlled by a manager
   • Can be backed up

2. Disadvantages Of Networks

   • Managing a network requires training
   • Purchasing the network can be expensive
   • Hackers can gain access
   • If the file server breaks down the files on the file server become inaccessible
   • Viruses can spread through a network

3. Different Types Of Network

   • LAN - Local Area Network E.G School or Office
   • WAN - Wide Area Network E.G The Internet
     • WANs are usually multiple LANs

4. Topologys

   • Bus
     • Avantages
       • Cheap & Easy to install
     • Disadvantages
       • Every computer on the network sees all the data on the network
       • The more workstations that are added, the slower the network will be
       • If the main cable fails or gets damaged the whole network will fail
   • Star
     • Advantages
       • Very Reliable
       • No data collisions can occur
     • Disadvantages
       • Very Expensive
       • If a hub or switch fails all the devices connected to it will have no network connection
       • Extra hardware required
   • Ring
     • Advantages
       • No data collision
       • Cheap
       • Can transfer data quickly
     • Disadvantages
       • If the main cable fails or any device is faulty then the whole network will fail

Imagens e arquivos do mapa