1.4 Networking

1.4 Networking

1. WAN

   • Also has a wide Area Network.
   • Has a bigger geographical area.
   • Has multiple sites.
   • The largest would be a global collection of Networks (the Internet)

2. Packet

   • It holds 4 bits of information.
   • It has a life spam
   • It will contains a sequence number

3. DNS

   • DNS stands for Domain Name server.
   • When you type that URL into the web browser the computer will query a DNS server.

4. Router

   • It has an interconnection device used on networks to connect two or more devices.
   • Routers allow packets from different network types to be exchanged.
   • A router contains a routing table which has a list of IP addresses and common routers for packets to take.

5. Internet

   • Worldwide collection of computer networks that are connected together (Inter-networking)
   • They operate on protocols such as TCP/IP.