For Management High Availability, if an Active SMS goes down, does the Standby SMS automatically take over?

For Management High Availability, if an Active SMS goes down, does the Standby SMS
automatically take over?

A.
Yes, if you set up VRRP

B.
Yes, if you set up ClusterXL

C.
No, the transition should be initiated manually

D.
Yes, if you set up SecureXL