Wireless Networking

Wireless Networking

1. PAN

   • Personal Area Network

2. LAN

3. MAN

4. WAN

5. Shared signal

6. Half duplex

7. CSMACA

   • Avoiding collission

8. Un licensed Frequencies

   • Authorisation

9. Lower the frequency the further the range but less bandwidth

10. Waves Are Absorbed

11. 802.11 Frequencies

    • 802.11B
      • 2.4Ghz,
      • 11Mbps
      • September 1999
      • 3 clean channels
      • Most popular
    • 802.11G
      • 2.4 Ghz
      • 54Mbps
      • June 2003
      • 3 Clean channels
      • Compatible with 802.11B
    • 802.11A
      • 5.8GHz
      • 54Mbps
      • September 1999
      • 12 - 23 clean channels
    • Enter text here
    • 802.11N
      • 100Mbps
      • MIMO Multiple in and multiple out

12. 300 ft

13. SECURITY

    • Authentication
    • Encrypton
      • Pre-shared Key
      • WPA1
      • WPA2
    • Intrusion Prevention System

14. SSID - Service Set Identifier

15. SETTING UP

    • Pre-test
    • Connect WAP
    • Test without Security
    • Test Security - Preshared key
    • Add & Test Authentication

16. Packet Sniffers