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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:

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


Question 4:

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 5:

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 6:

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 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:

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 9:

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 10:

Which three statements are true about snapshot standby databases?

A. Snapshot standby databases may be used for rolling release upgrades.

B. if datafiles grow while a database is a snapshot standby database, then they shrink when converted back to a physical standby database.

C. Flashback logs are used to convert a snapshot standby database back into a physical standby database.

D. a snapshot standby database can have Real-Time Query enabled

E. A guaranteed restore point is created automatically when a physical standby database is converted into a snapshot standby database.

Correct Answer: CE


Question 11:

You must configure an Oracle Data Guard environment consisting of:

1.

A primary database

2.

A Physical Standby Database

3.

A Snapshot Standby Database

You must meet these requirements:

1.

Primary database availability should not be compromised by the availability of the standby databases.

2.

Under normal operations, transactions executed on the primary database should not commit before redo is written to disk on the primary database and on at least one standby database.

Which redo transport mode, and which protection mode should you configure to meet these requirements?

A. SYNC AFFIRM and Maximum Protection

B. SYNC NOAFFIRM and Maximum Protection

C. SYNC AFFIRM and Maximum Availability

D. SYNC NOAFFIRM and Maximum Availability

E. ASYNC and Maximum Performance

Correct Answer: C


Question 12:

Which three are prerequisites for enabling Fast-Start Failover?

A. The Fast-Start Failover target standby database must receive REDO directly from the primary database

B. Flashback Database must be enabled on both the primary database and the Fast-Start Failover target standby database.

C. Flashback Database must be enabled only on the Fast-Start Failover target standby database.

D. The configuration must be operating in either Maximum Performance or Maximum Availability mode

E. The configuration must be operating in either Maximum Performance or Maximum Protection mode

F. The Data Guard environment must be managed by the Data Guard Broker.

Correct Answer: BDF


Question 13:

Examine the Data Guard configuration after an accidental switchover to Sheep: Which three will be true after a switchover to Dogs?

A. Sheep will be a disabled logical standby database.

B. Sheep will be an enabled logical standby database.

C. Cats will be a disabled physical standby database that can be manually enabled.

D. Cats will be an enabled physical standby database.

E. Dogs will be the primary database.

Correct Answer: BCE


Question 14:

You must manually reinstate a database using DGMGRL

To which database should you connect with DGMGRL before issuing the REINSTATE command and in which state should the target database be?

A. The target database should be in NOMOUNT state and DGMGRL should be connected to any database that is a member of the configuration

B. The target database should be MOUNTED and DGMGRL should be connected to any database that is a member of the configuration

C. The target database should be MOUNTED and DGMGRL should be connected to the primary database.

D. The target database should be MOUNTED and DGMGRL should be connected to the target database

E. The target database should be in NOMOUNT state and DGMGRL should be connected to the primary database

Correct Answer: C


Question 15:

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

Correct Answer: AEF


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