Which of the following replication types depends on receiving an ACK from the remote system and guarantees a zero data loss solution?
A.
Synchronous
B.
Asynchronous
C.
Point in time
D.
Differential
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Asynchronous replication also involves an ACK. It’s just not immediate like synchronous is. Please correct me if I’m wrong.
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I think the question is meant to address whether the system that is performing a write to disk needs to wait for an ACK from the replication being completed before the write is considered complete. For instance, if I have a system in Los Angeles and a replicated copy of the data in San Francisco, the system does not get an ACK until the data is written to the storage in *both* Los Angeles *and* San Francisco.
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