Oracle Database 12c: RAC and Grid Infrastructure Administration — Question 26

You are required to change the Data Guard Configuration protection mode from MAXPERFORMANCE to MAXAVAILABILITY using Enterprise Manager Cloud
Control.
Which two are true about this change?

Answer options

• A. If the primary database cannot write its redo to at least one synchronized standby database, then the protection level remains unchanged.
• B. The primary database instance will remain up and running, if it cannot write redo to at least one synchronized standby database.
• C. Transactions will not commit until all redo data needed to recover those transactions are written to the online redo log, and to the standby redo log on at least one synchronizes standby database.
• D. Fast start failover can be enabled when making the chance.
• E. Real time apply will be automatically turned on.

Correct answer: A, B

Explanation

Option A is correct because if the primary database cannot write its redo to at least one synchronized standby, the protection mode remains at MAXPERFORMANCE. Option B is also correct as the primary instance can still run in this scenario. Options C, D, and E are incorrect because they either misstate the behavior of transactions and failover or introduce features that are not automatically enabled during this configuration change.