How does MirrorMaker 2 handle offset alignment and idempotence during failover between clusters?

How does MirrorMaker 2 handle offset alignment and idempotence during failover between clusters?

• A. It resets all offsets to zero on failover.
• B. It ignores offsets and replays from the beginning.
• C. It tracks consumer offsets in the target cluster and preserves idempotence; ensures offset alignment.
• D. It cannot track offsets across clusters.

Answer: (C)