Network

Network

1. Advantages

   • If a computer you have been working on breaks you can immediately move to another computer and your work will be saved on that and any other computer
   • If the sever breaks there is a second server that is exact copy as the other sever

2. Disadvantages

   • It is requires techincal expertise
   • It is expensive

3. Types of Networks

   • LAN
     • LOCAL AREA NETWORK
   • WAN
     • WIDE AREA NETWORK
   • Topology
     • Ring
       • Disadvantages 1. Catastrophic Failure on the swith
       • Advantages 1. Faster 2. Easy to add
     • Star
       • Disadvantages 1. Data leaks 2. Catastrophic Failure
       • Advantages 1. Cheap 2. No Collision
     • Bus
       • Disadvantages 1.Data collisions 2. Catastrophic Failure
       • Advantages 1. Cheap 2. Easy to add
     • Mesh
       • Advantages 1. If one cable breaks the network will not have catastrophic failure, the data will go another way
       • Disadvantages 1. Very expensive 2. Installation is extremely hard

4. IP Adderess

   • IP Address is a unique value assigned to every computer on a network, used to indentify it
   • There are 16,000,000,000,000,000,000
     • There is 4,000,000,000 IP Addresses but that will not be enough for the whole world. There is a public IP Address which assign a private IP Address to every computer in its public IP Address
   • IP Address is 32-bit binary-which is made up of 32 1 and 0