NEW QUESTION 1
Which three are benefits of using the Data Guard Broker to manage standby databases?

• A. it simplifies physical standby database creation
• B. It provides an easy failover capability using a single command.
• C. it coordinates database state transitions and updates database properties dynamically.
• D. it automatically changes database properties after the protection mode for a configuration is changed
• E. It provides an easy switchover capability using a single command.
• F. It simplifies logical standby database creation.

Answer: BCE

NEW QUESTION 2
Which three statements are true about snapshot standby databases?

• A. Tablespaces can be dropped.
• B. Tables can be dropped
• C. The broker may be used to fail over to a snapshot standby database.
• D. A logical standby database can be converted into a snapshot standby database.
• E. Tablespaces can be created.

Answer: ABE

NEW QUESTION 3
Which two are true about the creation of a Data Guard Broker configuration?

• A. in a broker configuration, the primary database name must match the DB_UNIQUE_NAME value in the database initialization parameter file.
• B. A primary database profile may be added to the configuration prior to creating the primary database.
• C. A standby database profile may be added to the configuration prior to creating that standby database.
• D. A newly created broker configuration requires at least one standby database profile to be specified at the time the configuration is created.
• E. A newly created broker configuration is in the disabled state

Answer: DE

NEW 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.

Answer: CDE

NEW QUESTION 5
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: AE

NEW QUESTION 6
A query on the view DBA_LOGSTBY_UNSUPPORTED on your primary database returns no rows
As a result of this, you decide that an upgrade may use logical standby databases. Which two are true about upgrading Data Guard environments consisting of one logical
standby database running on a separate host from the primary?

• A. The upgrade always requires downtown until the upgrade of the logical standby is completed
• B. Using manual upgrade, catctl.pl can be executed in some cases on the primary and standby database simultaneously.
• C. The upgrade always required downtime until the upgrade of the primary is completed
• D. Using manual upgrade, catupgr.sql needs to run on the primary database only.
• E. SQL Apply on the local standby database must be stopped while the primary database is upgraded.
• F. Fast-Start Failover can be used to protect the primary database during the upgrade.

Answer: BE

NEW QUESTION 7
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

NEW QUESTION 8
There are currently 6 APPLIER and 6 PREPARER processes running and no idle APPLIER processes on your logical standby database. The MAX_SERVERS SQL apply parameter and number of archiver processes are both set to 12. Identify two changes, each of which would allow you to increase the number of APPLIER processes.

• A. Increase the PROCESSES initialization parameter
• B. Increase the value for the MAX_SERVERS SQL apply parameter.
• C. Decrease the number of archiver processes on the standby databas
• D. increase the PARALLEL_MAX_SERVER initialization parameter
• E. Decrease the number of PREPARER processes
• F. Increase the RECOVERY_PARALLEUSM initialization parameter

Answer: BE

NEW QUESTION 9
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_nwhen 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

Answer: AEF

NEW QUESTION 10
Which three statements are true about Global Sequences when connected to a physical standby database with Real-Time Query enabled?

• A. if the CACHE option is set then the size of the cache must be at least 100
• B. Their creation requires that a LOG_ARCHIVE_DEST_n parameter be defined in the standby that points back to their primary
• C. Their usage will always have a performance impact on the primary database.
• D. Their usage may have a performance impact on the physical standby database if the CACHE size is too small
• E. They must have the NOORDER and CACHE options set.

Answer: BDE

NEW QUESTION 11
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: DE

NEW QUESTION 12
Which three factors can influence the rate of redo apply on a physical standby database?

• A. the network latency between the primary and standby databases
• B. the number of archiver processes on the standby database
• C. the number and size of standby redo logs on the primary database
• D. the rate of redo generation on the primary database
• E. the number and size of standby redo logs on the standby database

Answer: ABE

NEW QUESTION 13
Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to SYNC.
4. Real-time query is enabled for both standby databases.
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases.
You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases?

• A. Increase the size of the buffer cache on the physical standby database instances.
• B. Increase the number of standby redo log files on the standby databases.
• C. Decrease the redo log file size on the primary database.
• D. Lower DB_BLOCK_CHECKING to MEDIUM or LOW on the standby databases.
• E. Increase the size of standby redo log files on the standby databases.

Answer: AD

NEW QUESTION 14
A customer has these requirements for their potential Data Guard implementation:
1. Zero data loss must still be guaranteed through the loss of any one configuration component.
2 The primary database must be protected against a regional disaster
3. Performance overheads on the primary should be minimized as much as possible given these requirements.
4. Downtime on the primary database for any reason must be kept to a minimum. Components referred to in the broker commands are:

Which Data Guard broker commands are needed to implement these requirements?

• A. EDIT DATABASE prima SET PROPERY REDOROUTES=' (LOCAL: physt1, FASTSYNC)'; EDIT DATABASE prima SET PROPERY REDOROUTES=' (LOCAL: fs1 SYNC)'; EDIT FAR_SYNC fs1 SET PROPERTY REDORUOTES=' (pnma: physt2 SYNC)'; EDIT CONFIGURATION SET PROTECTION MODE AS MAXAVAILABILITY
• B. EDIT DATABASE prima SET PROPERY REDOROUTES=' (LOCAL: fs1 ASYNC)'; EDIT FAR_SYNC fs1 SET PROPERTY REDORUOTES=' (prima physt FASTSYNC)'; EDIT CONFIGURATION SET PROTECTION MODE AS MAXPROTECTION
• C. EDIT DATABASE prima SET PROPERY REDOROUTES^' (LOCAL: fs1 SYNC)'; EDIT FAR_SYNCfs1 SET PROPERTY REDORUOTES=' (prima physt ASYNC)'; EDIT CONFIGURATION SET PROTECTION MODE AS MAXAVAILABILITY;
• D. EDIT DATABASE prima SET PROPERY REDOROUTES=' (LOCAL: physt1, FASTSYNC)'; EDIT DATABASE prima SET PROPERY REDOROUTES= (LOCAL: fs1. FASTSYNC)'; EDIT FAR_SYNC fs1 SET PROPERTY REDORUOTES=' (prima: physt2 ASYNC)'; EDIT CONFIGURATION SET PROTECTION MODE AS MAXAVAILABILITY;

Answer: A

NEW QUESTION 15
Which three types of backups taken in which situations may be used to perform restore operations to a logical standby database in a Data Guard environment?

• A. backups of data files taken on the primary database if connected to the recovery catalog where the logical standby database is registered
• B. backups of data files taken on the standby database if connected to the recovery catalog where the logical standby database is registered
• C. backups of control files taken on the primary database if connected to the recovery catalog where the logical standby database is registered
• D. backups of data files taken on the logical standby database, if not connected to arecovery catalog
• E. backups of control files taken on the logical standby database if not connected to a recovery catalog

Answer: ADE

NEW QUESTION 16
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.

Answer: CE

NEW QUESTION 17
A customer asks you to propose the most appropriate solution for this set of requirements:
1. We need a disaster recovery solution that enables us to fail over from our production database with zero data loss.
2. We want to generate reports from the proposed standby database at the same time that it is used for other purposes.
3. Developers may need to test occasionally on a copy of the live database.
You have to already confirmed that there are no unsupported data types on the primary database Which two solutions would you recommend?

• A. a remote physical standby database with RedoRoutesvia a far sync instance
• B. a snapshot standby database with synchronous redo transport
• C. a physical standby database with real-time query enabled
• D. a logical standby database
• E. a read mostly implementation of a physical standby database

Answer: BC

NEW QUESTION 18
Examine the Data Guard configuration: DGMGRL> show configuration Configuration-Animals
Protection Mode: MaxAvailability Databases:
Sheep- Primary database
Warning: ORA-16817: unsynchronized fast-start failover configuration Dogs - (*) Physical standby database (disabled)
ORA-16661: the standby database needs to be reinstated
Fast-Start Failover: ENABLED Configuration Status: WARNING And the fast-start failover configuration:
DGMGRL> show fast_start failover; Fast-Start Failover: ENABLED Threshold: 30 seconds Target: dogs
Observer: 017.example.com Lag Limit: 30 seconds (not in use) Shutdown Primary: TRUE Auto-reinstate: TRUE Observer Reconnect 10 seconds Observer Override: FALSE
Configurable Failover Conditions Hearth Conditions: Corrupted Controlfile YES Inaccessible Logfile NO
Stuck Archiver NO Datafile Offline YES Oracle error Conditions
ORA-01578: ORACLE data block corrupted (file # %s, block # %s) And finally the reason for the fail over:
SQL> select last_failover_reason from v$fs_failover_stats;
LAST_FAILOVER_REASON
ORA-01578: ORACLE data block corrupted (file # %s, block # %s)
Identify the task, or sequence of tasks, to bring the configuration into the SUCCESS state.

• A. Bring Dogs to the NOMOUNT state and let the broker reinstate Dogs automatically.
• B. MOUNT DOGS and issue ''reinstate database dogs:" at the DGMGRL prompt while connected to Dogs.
• C. MOUNT DOGS and issue "reinstate database dogs:" at the DGMGRL prompt while connected to Sheep
• D. Open Dogs and let the broker reinstate Dogs automatically.

Answer: C

NEW QUESTION 19
Which two are true about offloading backups to a physical standby database in a Data Guard environment?

• A. The standby database must be registered in an RMAN catalog after the primary database has been registered
• B. The standby database cannot be registered in an RMAN catalog if the primary database has not been registered
• C. Backups of the standby control file taken while connected to the catalog where the database is registered, may be used to restore the control file onthe primary database.
• D. The standby database must be registered in an RMAN catalog before the primary database has been registered

Answer: BC

NEW QUESTION 20
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: BE

NEW QUESTION 21
You edit the DGConnectldentifier database property using the edit database set property
DGMGRL command Which two are effects of this change?

• A. The fal_client database initialization parameter on all standby databases is updated with the new value.
• B. The service attribute of the log_archive_dest_n initialization parameter for any database referring to the specified database is updated with the new value.
• C. The fal_client database initialization parameter for the specified database is updated with the new value
• D. The broker configuration must be disabled and then enabled to use the new connection property.
• E. The service attribute of the log_archive_dest_n initialization parameter referring to all standby databases is updated with the new value

Answer: AB

NEW QUESTION 22
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