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Latest and Most Accurate Oracle 1Z0-066 Dumps Exam Questions and Answers:
Which three statements are true about Data Guard configurations?
A. All databases in one Data Guard environment must have the same database name.
B. VALID_FOR is a LOG_ARCHIVE_DEST_N attribute that enables DB role change operations without having to modify LOG_ARCHIVE_DEST_n
when performing switchovers or failovers.
C. For Standard Edition, LOG_ARCHIVE_DUPLEX_DEST is used to configure redo transport, from the primary to the standby database.
D. When using the Data Guard Broker, an spfile is not required.
E. Up to 30 physical standby databases may exist within one configuration.
F. The Oracle recommendation for the number of standby redo log groups per thread is one more than the number of online redo log groups per thread
Which two are true about the use of RMAN recovery catalogs when offloading backups to a physical standby database?
A. It backups that are offloaded to a physical standby database are taken when not connected to a recovery catalog, then they may still be used for restoration on the primary database.
B. The physical standby database may be used to register the database in the recovery catalog, if the primary is not registered.
C. The primary and physical standby databases must be registered separately in the recovery catalog, if a far sync instance is used to route redo to the physical standby database.
D. It is not necessary to use a recovery catalog unless a far sync instance is used to route redo to the physical standby database.
E. Primary and physical standby database may use different virtual recovery catalogs in the same physical recovery catalog
Answer: D, E
Examine the Data Guard configuration:
DGMGRL > show configuration;
Protection Mode MaxPerformance
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
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
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.
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