Share some Oracle Database 1Z0-066 exam questions and answers below.
Examine the Data Guard configuration:
DGMGRL > show configuration;
Configuration-Animals
Protection Mode MaxPerformance
Databases
dogs-Primary database sheep-Snapshot standby database cats-Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status: SUCCESS
You receive an error while attempting to raise the protection mode to Maximum Availability:
DGMGDRL> edit configuration set protection mode as max availability;
Error ORA-16627 operation disallowed since no standby databases would remain to support protection mode Failed.
Identify two statements that you can execute, either one of which will enable successful raising of the protection mode to Maximum Availability.
A.DGMGRL> convert database sheep to physical standby;
B.DGMGRL> convert database cats to physical standby;
C.DGMGRL> edit database dogs set property LogXptMode= fastsync;
D.DGMGRL> edit database sheep set property LogXptMode= fastsync;
E.DGMGRL> edit database cats set property LogXptMode= sync;
Answer: B, 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
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
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