Wep wireless validating identity
First standard for WLAN was established by IEEE, 802.11, ratified in 1997.
Originally implemented at speeds of 1-2 MBPS using direct sequence spread spectrum (DSSS) and frequency-hopping spread spectrum (FHSS) at the Physical Layer of OSI model.
This acts very much like a vlan in a wired network.802.11a uses 13 channels of Unlicensed National Information Infrastructure (UNII) frequencies and is incompatible with 802.11b/g.802.11n standard was ratified in 2009.It uses multiple-input multiple-output (MIMO) antennas and expected max data rate of 600 MBPS using 4 streams, each with 40-MHz width.Because wireless signal may extend beyond the physical boundaries, attackers may be able to gain access to the network.If the wireless network does not have a mechanism to compare wireless card MAC addresses of hosts to a database of approved MACs, attackers may achieve unauthorized access.
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Cisco offers dynamic, per-session WEP keys that are more secure than statically configured WEP keys.