What is the cause of this issue?

Refer to the exhibit.

A network engineer is testing NTP authentication and realizes that any device synchronizes time with this router and that NTP authentication is not enforced.

What is the cause of this issue?
A . The key was configured in plain text.
B . NTP authentication is not enabled.
C . The hashing algorithm that was used was MD5. which is unsupported.
D . The router was not rebooted after the NTP configuration updated.

View Answer

Answer: D