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Latest and Most Accurate Oracle 1Z0-066 Dumps Exam Questions and Answers:
Your Data Guard environment consists of these components and settings:
1. A primary database
2. A remote physical standby database
3. Real-time query is enabled
4. The redo transport mode is set to SYNC.
5. The protection mode is set to Maximum Availability.
You notice that queries executed on the physical standby database receive errors: ORA- 03172: STANDBY_MAX_DATA_DELAY of 15 seconds exceeded. Which two would you recommend to avoid this error?
A. Change the protection mode to Maximum Performance.
B. Increase the size of the buffer cache on the standby database instance.
C. Reduce I/O latency for the storage used by the primary database.
D. Change the protection mode to Maximum Protection.
E. Increase the network bandwidth between the primary and standby databases
F. Increase the number of standby redo log files on the primary database
Answer: A, E
Which two Data Guard monitoring activities may be performed using Enterprise Manager Cloud Control?
A. monitoring the redo apply rate on a physical standby
B. monitoring the redo apply rate on a logical standby
C. monitoring the undo generation rate on a logical standby
D. monitoring the redo apply rate on a snapshot standby
E. monitoring the transport lag
F. monitoring the undo generation rate on the primary
Answer: A, 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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