Networks

Networks

1. Disadvantages

   • Extra Hardware and wiring is expensive.
   • Difficult without technical expertise.
   • Viruses and other malware can spread

2. Advantages

   • Share logins with computers
   • Share resourses like Internet and printers
   • Use files on any computer

3. Types of Network

   • LAN (Local Area Network)
     • Network that's in a single location
   • WAN (Wide Area Network)
     • Network that's in a large area and made of LANs

4. Topologies

   • Ring
     • Cheap, No collisions.
     • High Risk Faliure, Hard to expand
   • Star
     • No collisions, Low Risk Faliure.
     • Expensive, Works on Switch
   • Bus
     • Cheap.
     • High Risk Faliure, Collisions, More computers=Slow Network.

5. IP Address

   • A unique address assigned to a house/business
   • A number to identify a computer or computer network
   • A message will have this attached so a computer knows which messages to keep

6. Mesh

   • Packets are data in small chunks
   • Used all around the world to connect people
   • Is another topology