What is a characteristic of the synchronous in-memory system replication mode in SAP HANA? Please choose the correct answer.

What is a characteristic of the synchronous in-memory system replication mode in SAP HANA? Please choose the correct answer.
A . The primary systems suspends transaction processing until the connection to the secondary system is re-established.
B . The primary system waits until the secondary system confirms the log was persisted.
C . The primary system does NOT wait for the confirmation of the secondary system.
D . The primary system waits until the secondary system confirms receiving the log.

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Answer: D