What does the administrator need to do to recover the configuration quickly?

Scenario: A Citrix Administrator made changes to a Citrix ADC, deleting parts of the configuration and saving some new ones. The changes caused an outage that needs to be resolved as quickly as possible. There is no Citrix ADC backup.

What does the administrator need to do to recover the configuration quickly?
A . Restore from the revision history.
B . Run high availability (HA) file synchronization.
C . Restart the Citrix AD
E . Run saved versus running configuration.

Answer: A