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Question 1:
Which two statements are true about Real-Time Query?
A. Setting STANDBY_MAX_DATA_DELAY =0 requires synchronous redo transport.
B. Disabling Real-Time Query prevents the automatic start of redo apply when a physical standby database is opened READ ONLY.
C. Real-Time Query sessions can be connected to a Far Sync instance.
D. Real-Time Query has no limitations regarding the protection level of the Data Guard environment.
E. A standby database enabled for Real-Time Query cannot be the Fast-Start Failover target of the Data Guard configuration.
Correct Answer: BD
Question 2:
Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured?
A. They are required on a logical standby for real-time apply
B. They are required only for synchronous redo transport.
C. Only standby databases can write redo to them.
D. It is recommended to have them on the primary database.
E. They are required on a physical standby for real-time apply.
F. The LGWR process writes to them on a standby database.
Correct Answer: ACE
Question 3:
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;
Correct Answer: BE
Question 4:
Which three steps are prerequisites for the creation of a physical standby database on a separate server using the RMAN active database duplication method?
A. Set the DB_UNIQUE_NAME parameter on the primary database to a different value than that of the DB_NAME parameter.
B. Put the primary database into archivelog mode
C. Startup nomount the standby database instance.
D. Configure Oracle Net connectivity on the primary host to the standby database instance.
E. Establish user equivalence for the database software owner between the primary host and standby host.
Correct Answer: CDE
Question 5:
Examine the Data Guard configuration:
Which three will be true after a switchover to Sheep?
A. Dogs will be an enabled logical standby database.
B. Sheep will be the primary database.
C. Cats will be a disabled physical standby database.
D. Dogs will be a disabled logical standby database
E. Cats will be an enabled physical standby database.
Correct Answer: ABE
Question 6:
Which three are true regarding the Enterprise Manager Cloud Control Data Guard configuration verification wizard?
A. it checks that supplemental logging is turned on if there is a logical standby database in the configuration.
B. it verifies that parameter settings in the SPFILE or in memory or both, are consistent with the broker configuration properties for that database.
C. It checks that the current data protection level is consistent with the broker\’s configured data protection mode.
D. it modifies the database configurable parameters to match the values set for the broker configuration.
E. It generates a workload on the primary database causing log switching, and monitors the arrival rate of redo on the standby database.
Correct Answer: ABC
Question 7:
Which two are prerequisites for configuring Transaction Guard in a Data Guard environment?
A. Grant execute permission on the DBMS_APP_CONT package to relevant database schema owners
B. Create a database service with COMMIT_OUTCOME set to TRUE, and ensure clients use that service to connect to the database instance.
C. Ensure that connection descriptors for database clients use the failover clause with the COMMIT_OUTCOME parameter set to TRUE
D. Set INSTANCE_NAME identically on all the Data Guard Configuration databases and modify the local service name on the client to include a CONNECTION_LIST containing all the standby hosts.
E. Create a database service with COMMIT_OUTCOME set to TRUE and ensure that the service is statically registered with the default listener on the primary host
Correct Answer: AB
Question 8:
You have a Data Guard Broker configuration called Somewhere\’ as shown: Which two are true about the output of this DGMGRL command?
A. A far sync instance cannot have inconsistent properties because it has no database.
B. It shows all properties whose broker configuration values for database Nearby are inconsistent with the broker configuration values for database Farout.
C. It shows all properties whose broker configuration values for database Nearby are inconsistent with the values in the corresponding server parameter file or the runtime values for database instance Nearby.
D. Any inconsistency reported is on an instance-specific basis.
Correct Answer: CD
Question 9:
Your Data Guard environment has two remote physical standby databases.
Client applications use the local naming method to define connectivity to the primary database instance.
Which will automatically redirect clients to the new primary database in case of a switchover or failover?
A. Create a database service on the standby databases; automate the start of the service after a role change, and modify the connection description on the clients to use that service.
B. Configure a PRIMARY role service on the Primary and Standby and modify the Client connect descriptor to include both Primary and the Standby.
C. Set the DB_NAME parameter identically on all databases; modify the connection descriptor on the clients to use DB_NAME to connect to the primary database instance.
D. Set the LOCALJJSTENER parameter for all the database instances, to register services with the default listener on the primary database host.
Correct Answer: C
Question 10:
Which two statements are true about Real-Time Query?
A. Setting STANDBY_MAX_DATA_DELAY =0 requires synchronous redo transport.
B. Disabling Real-Time Query prevents the automatic start of redo apply when a physical standby database is opened READ ONLY.
C. Real-Time Query sessions can be connected to a Far Sync instance.
D. Real-Time Query has no limitations regarding the protection level of the Data Guard environment.
E. A standby database enabled for Real-Time Query cannot be the Fast-Start Failover target of the Data Guard configuration.
Correct Answer: BD
Question 11:
Which three are true concerning restoring of RMAN backups to primary and physical standby databases in a Data Guard environment?
A. Backups of data files taken on the primary database may be restored on a physical standby database.
B. Backups of control files taken on the primary database may not be restored and used on a physical standby database.
C. Backups of SPFILEs taken on a physical standby database may not be restored on the primary database.
D. Backups of control files taken on a physical standby database may be restored on the primary database.
E. Backups of data files taken on a physical standby database may be restored on a pnmary database.
F. Backups of SPFILEs taken on the primary database may not be restored and used on a physical standby database.
Correct Answer: CEF
Question 12:
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;
Correct Answer: BE
Question 13:
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.
Correct Answer: ADE
Question 14:
Which two are true about management of a far sync instance when using the Data Guard Broker?
A. A far sync instance is in a disabled state in the broker configuration immediately after adding it
B. A far sync instance that has its RedoRoutes property set may not be disabled in the broker configuration.
C. Broker management of a far sync instance may only be disabled with the disable configuration DGMGRL command.
D. A far sync instance need not exist before adding it to the broker configuration but may not be enabled until created
Correct Answer: AB
Question 15:
Your Data Guard environment has one physical standby database using Real-Time Query.
Two sentences have been created by these SQL statements:
create sequence a global; create sequence b session;
Neither sequence has been used since being created
Session 1 connects to the primary database instance and issues these two SQL statements:
SELECT a.nextval FROM DUAL;
SELECT b nextval FROM DUAL;
Then session 2 connects to the physical standby database instance and issues the same SQL statements.
What output will be seen for session 2?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: C