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NEW QUESTION 1
Which two are true about rolling release upgrades in a Data Guard environment?

  • A. The background process DMON must be enabled on the primary and standby databases during a rolling release upgrade procedure
  • B. A physical standby database can be converted to a logical standby database temporarily.
  • C. Rolling release upgrades require the background process RVWR to write flashback logson the standby database.
  • D. The KEEP IDENTITY clause ensures that a logical standby database keeps the same DBID as the primary database.
  • E. The recovery point objective increases proportionally to the duration of the rolling release upgrade procedure.

Answer: BD

NEW QUESTION 2
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 3
You must configure an Oracle Data Guard environment consisting of:
1. A primary database
2 One Physical Standby Database
3. One Logical 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 both the primary database and at least one standby database.
Which redo transport mode and which protection mode would 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

Answer: C

NEW QUESTION 4
Examine the Data Guard configuration:
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Which three will be true after a switchover to Dogs?

  • A. Sheep will be an enabled logical standby database.
  • B. Cats will be an enabled physical standby database
  • C. Dogs will be the primary database
  • D. Sheep will be a disabled logical standby database
  • E. Cats will be a disabled physical standby database

Answer: BCE

NEW QUESTION 5
Examine the Data Guard configuration: DGMGRL> show configuration;
Configuration -Animals Protection Mode MaxAvailability Databases
dogs- Primary database
cats- Snapshot standby database
sheep- Snapshot standby database Fast-Start Failover DISABLED
Configuration Status: ORA-01034: ORACLE not available ORA-16625: cannot reach database "dogs'1 DGM-17017 unable to determine configuration status
You wish to perform a failover to Sheep
Which command, or sequence of commands, should you issue to the broker before executing "failover to sheep", using the broker?

  • A. DGMGRL> convert database cats to physical standby,
  • B. DGMGRL> convert database sheep to physical standby;
  • C. DGMGRL> convert database sheep to physical standby; DGMGRL> convert database cats to physical standby;
  • D. DGMGRL>edit configuration set protection mode as maxperformance; DGMGRL> convert database sheep to physical standby;
  • E. None, because you can directly failover to a Snapshot Standby Database

Answer: C

NEW QUESTION 6
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 7
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.

Answer: CEF

NEW QUESTION 8
Examine the Data Guard configuration:
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Configuration Status: SUCCESS Which two are true?

  • A. The observer must run on host ol5.example com and is currently not running.
  • B. The observer will reinstate Sheep automatically after a failover, if required.
  • C. The observer will mark another standby database as the failover target if the original failover target becomes unavailable.
  • D. The observer will detect if the primary database is unable to accept new connections
  • E. The former primary database will not be reinstated automatically alter a failover.

Answer: BE

NEW QUESTION 9
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 10
Your Data Guard environment has two remote physical standby databases
Client applications use the local naming method to connect to the primary database instance.
You want applications to automatically connect to the new primary database instance in case of a switchover or a failover
Which will fulfill this requirement?

  • A. Create a database service on each standby database that is started automatically by a trigger, when the database rote is PRIMARY, modify the connection description used by client applications to include all the standby hosts and connect to the database instance using that service name.
  • B. Create a database service on the primary database that is started automatically by a trigger, when the database role is PRIMARY, modify the connection descriptors used by client applications to include all the standby hosts and connect to the database instance using that service name.
  • C. Set the INSTANCE_NAME parameter identically on all databases; modify the connection descriptor on client applications to include all the standby hosts and connect to the database instance using that service name.
  • D. Set the DB_NAME and DB_UNIQUE_NAME identical on all databases, modify the connection descriptors on client applications to include all the standby hosts and connect to the database using that service name.

Answer: A

NEW QUESTION 11
Attempting to start the observer raises an error: DGMGRL> start observer:
DGM-16954: Unable to open and lock the Observer configuration file Failed. Identify two possible reasons for this error

  • A. Fast-Start Failover is not yet enabled for this Data Guard configuration
  • B. The observer configuration file is marked read-only.
  • C. There is already an observer running for this Data Guard configuration.
  • D. There is another observer running for a Data Guard configuration which uses the same observer configuration file
  • E. The broker configuration has not yet been created.

Answer: BD

NEW QUESTION 12
Which two are true about the usage of DBMS_ROLLING?

  • A. The leading group contains the original primary database.
  • B. The trailing group contains the original primary database.
  • C. The background process DMON must be enabled on all database instances that take part in the rolling release upgrade process.
  • D. At least one logical standby database must be part of the initial Data Guard configuration
  • E. The trailing group can contain standby databases that will protect the original primary database during the rolling release upgrade process.

Answer: DE

NEW QUESTION 13
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.

Answer: BDF

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:
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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
A Data Guard environment has this configuration and these attributes:
1. The primary database prima is in the local region.
2. A physical standby database physt1 is in the local region.
3. A physical standby database physt2 is in a remote region.
4. The primary ships redo to physt1.
5. physt1 ships redo physt2.
6. physt1 and physt2 have Real-Time Query enabled
A sequence has been created with this SQL statement in the primary database: CREATE SEQUENCE a NOCACHE SESSION: Which two statements are true?

  • A. The sequence is usable on physt1 and physt2
  • B. The sequence is usable on physt1 but not usable on physt2.
  • C. The sequence is usable on physt2 if physt1 becomes unavailable, but only if an alternative redo destination has been configured on the primarydatabase.
  • D. physt2 will no longer receive redo if phystl becomes unavailable, unless LOG_ARCHIVE_DEST_n has the ALTERNATE attribute specified on the primary database.
  • E. physt2 will no longer receive redo if physt1 becomes unavailable, unless LOG_ARCHIVE_DEST_n has the ALTERNATE attribute specified on physt1.

Answer: CE

NEW QUESTION 16
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