Share some Oracle Database 1Z0-066 exam questions and answers below.
You are required to change the Data Guard Configuration protection mode from MAXPERFORMANCE to MAXAVAJLABILITY using Enterprise Manager Cloud Control. Which two are true about this change?
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.
Answer: BC
Which four database parameters might be affected by or influence the creation of standby databases?
A.DB_NAME
B.ARCHIVE_LAG_TARGET
C.COMPATIBLE
D.DB_FILE_NAME_CONVERT
E.DB_UNIQUE_NAME
F.FAL_SERVER
G.STANDBY_ARCH1VE_DEST
Answer: A, D, E, F
You administer a Data Guard environment with a primary and two physical standby databases.One of the physical standby databases is used for reporting and is on the same host as the primary database.The other physical standby database is remote, used for disaster recovery and REDO is routed to it via a far sync instance.Backups are offloaded to the remote physical standby.Which three are true concerning the management of archive logs in this Data Guard configuration?
A.Archive logs on the primary database may be deleted once they are applied on all standby databases.
B.Archive logs on the primary database may be deleted once they are shipped on all standby databases.
C.The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they backed up at least once on the remote physical standby database.
D.The deletion policy for archive logs on the remote physical standby should be set so that archived logs are deleted once they are applied on all standby databases.
E.Archive logs on the primary database may be deleted once they are archived locally to disk.
Answer: A, D, E
Which two are prerequisites for configuring flashback database for Oracle 12c databases, in a Data Guard environment?
A.A flash recovery area must be configured
B.The database must be in MOUNT state.
C.The database must be in ARCHIVELOG mode.
D.A far sync instance must be configured to flash back a standby when the primary has been flashed back.
E.The Data Guard Broker must be used.
Answer: A, C
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