networks

networks

1. Topology

   • Bus
     • Advantages
       • Cheap to install
     • Disadvantages
       • High chance of catastrophic faliure
   • Star
     • Disadvantages
       • Its expensive
     • advantages
       • No collisions
   • Ring
     • Disadvantages
       • Difficult to expand
     • Advantages
       • No collisions
   • Mesh
     • a network where each node is directly connected to all other nodes

2. Lan

   • Local area networks
     • contained in a single geogrraphic location

3. Wan

   • wide area Network
     • Is spans a large geographical area

4. A network is a connection of computers that can communicate

   • they can share files
   • Share Resources
   • Share logins
   • Increase risks of viruses spreading

5. IP Address

   • An IP Address is a unique value assigned to every computer on a network

6. Internet

   • It is a huge network with more devices than its possible to assign a unique address to

7. routing

   • determine which route through the mesh will have the the lowest cost
     • and take the shortest time

8. packets

   • Huge amounts of data travels around the internet