ECSS: EC-Council Certified Security Specialist

WEP is part of the IEEE 802.11 WLAN standards. Its main purpose is to provide data confidentiality on wireless networks at a level equivalent to that of wired LANs. In a wireless LAN, the network may be accessed without a physical connection to the LAN. At which OSI model layer does WEP use an encryption mechanism to minimize unauthorized access to the WLAN?