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What is the correct sequence of steps in asynchronous remote replication?

What is the correct sequence of steps in asynchronous remote replication?
A . Step 1: Compute system writes data to source.
Step 2: Write is immediately acknowledged to compute system.
Step 3: Data is transmitted to the replica (target).
Step 4: Target acknowledges back to source.

B . Step 1: Compute system writes data to source.
Step 2: Data is transmitted to the replica (target).
Step 3: Target acknowledges back to source.
Step 4: Write is immediately acknowledged to compute system.
C . Step 1: Compute system writes data to source.
Step 2: Write is immediately acknowledged to compute system.
Step 3: Target acknowledges back to source.
Step 4: Data is transmitted to the replica (target).
D . Step 1: Compute system writes data to source.
Step 2: Data from source is replicated to replica (target).
Step 3: Target acknowledges back to source.
Step 4: Source acknowledges write complete to the compute system.

Answer: A

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