In a R75 Management High Availability (HA) configuration, you can configure synchronization to occur automatically, when

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In a R75 Management High Availability (HA) configuration, you can configure synchronization to occur automatically, when:
1) The Security Policy is installed.
2) The Security Policy is saved.
3) The Security Administrator logs in to the seconday Security Management Server and changes its status to Active.
4) A scheduled event occurs.
5) The user data base is installed.
Select the BEST response for the synchronization trigger.

A. 1, 2, 4
B. 1, 3, 4
C. 1, 2, 5
D. 1, 2, 3, 4