Wired and Wireless Networks

Wired and Wireless Networks

1. Wireless Network

   • Wan is a large geographical wireless network

2. Wired Networks

   • Ethernet Cables
   • Faster than wireless networks
   • Fibre Optic
     • A transmission media that consists of a bunch of glass or plastic threads.
   • Coaxial cable
     • The least expensive transmission media that consists of two wires that wrap around each other.

3. Routers

   • A device that allows other devices to connect to a network using standards such as Wi-fi and bluetooth

4. Bandwith:-The amount of data you can send through.The bigger the bandwith the more data you can send through.

5. Nic -(Network interface card)

   • A hardware device internal to a computer that allows a computer to connect to a network

6. Wap- (Wireless Access Point)

   • A device that allows other deivces to connect to a network using standards such as Wi-fi and bluetooth

7. Packets

   • When sending packets we need to include 3 things
     • The senders IP address
       • The receivers IP address
         • How long it's alive for

8. VPN

   • Virtual Private Network
     • Secure