I know the network is working because of the abbreviations

Which of these would be a common use of 802.1X?

A) Encrypt all of the data on a wireless network

B) Create a secure channel to a web server

C) Block certain application flows across the network

D) Gather statistics from infrastructure devices and servers

E) Prevent access to a wireless network without proper credentials

F) The best part of my network design is the myriad letter and number combinations