[Reference:https://netbeez.net/blog/how-wifi-connection-works/,  According to the 802.11 Network Security Fundamentals - Cisco document, 802.11 authentication is the first step when a client requests to join a WLAN. 802.11 authentication is a process whereby the access point either accepts or rejects the identity of a client device to create resources., References: https://www.cisco.com/en/US/docs/wireless/wlan_adapter/secure_client/5.1.0/administration/guide/C1_Network_Security.html, , , ]