For the security of wireless network connections some security standard are defined . Wireless network network devices and communications are based these security standard.
First security standard defined on three layers which is “802.11”. the three layers are:
- Direct Sequence Spread Spectrum (DSSS)
- Frequency Hopping Spread Spectrum (FHSS)
After the “802.11” some other standard were defined by modifying this standard which are:
- 802.11b – Wifi :
This is one of the most used and adapted form or wireless communication networks.
- 802.16 – WiMax