Which 802.1x mode allows these actions?

A security administrator wants to profile endpoints and gain visibility into attempted authentications.

Which 802.1x mode allows these actions?
A . monitor mode
B . high-security mode
C . closed mode
D . low-impact mode

Answer: A

Explanation:

Monitor Mode

Monitor Mode is a process, not just a command on a switch. The process is to enable authentication (with authentication open), see exactly which devices fail and which ones succeed, and correct the failed authentications before they cause any problems.