What is a unique characteristic of the most secure mode?

Cisco 802.1X phasing enables flexible deployments through the use of open, low-impact, and closed modes.

What is a unique characteristic of the most secure mode?
A . Granular ACLs applied prior to authentication
B . Per user dACLs applied after successful authentication
C . Only EAPoL traffic allowed prior to authentication
D . Adjustable 802.1X timers to enable successful authentication

View Answer

Answer: C