The primary site is unavailable. A replica can start, but its last received changes are several minutes old. Which expectation is correct for an unplanned failover?

Choose the single best answer.

A.An unplanned failover always has the zero-data-loss guarantee of a completed planned failover
B.Unsent primary changes may be lost, so choose the recovery point and fence the old primary
C.The replica reconstructs every unsent transaction from the VM configuration
D.Starting the old primary in parallel is required to eliminate duplicate addresses

Show the answer and explanation

✓ Correct answer

Unsent primary changes may be lost, so choose the recovery point and fence the old primary

Asynchronous replication cannot restore unsent changes, and fencing avoids competing copies. VM configuration does not contain all unsent transactions. Parallel activation creates conflict risk. Zero loss depends on a successful coordinated final transfer during planned failover, which is unavailable here.

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