For Management High Availability, which of the following is NOT a valid synchronization status?

For Management High Availability, the valid synchronization status options are:

A. Collision

B. Down

C. Lagging

D. Never been synchronized

In this context, "Down" indicates that the synchronization is not functioning correctly or that the standby management server is not reachable. This is a valid synchronization status, so the answer is not B.

References: Check Point Certified Security Expert (CCSE) R81 documentation and learning resources.