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Oracle 1Z0-066 Free Dumps Questions Online, Read and Test Now.

NEW QUESTION 1
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 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
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 4
You are monitoring your Data Guard broker configuration and issue this set of DGMGRL commands:
1Z0-066 dumps exhibit
What is true concerning this configuration?

  • A. The Close_by primary database instance forwards redo to the FSjnst Far Sync instance, which forwards the redo in turn to the Far_away physical standby database instance.
  • B. The far sync instance will not forward redo to the Far_away physical standby because the Protection mode is not MaxProtection.
  • C. The close_by primary database forwards redo to the Far_away physical standby directly and also sends redo to the FSjnst Far Sync instance.
  • D. The far sync instance will not forward redo to the Far_away physical standby because Fast-Stan: Failover is disabled
  • E. The FSjnst Far Sync instance forwards redo to the Far_away physical standby only if the close_by primary database is not able to do so.

Answer: A

NEW QUESTION 5
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 6
Which two Data Guard features require the use of flashback database by the broker?

  • A. Read-Mostly physical standby implementations
  • B. Far Sync Instances
  • C. Fast-Start Failover
  • D. Real Time Query
  • E. Snapshot Standby databases

Answer: CE

NEW QUESTION 7
In which two cases is it possible to change the protection mode to maximum protection using Enterprise Manager Cloud Control?

  • A. a snapshot standby database is the only standby database in the Data Guard configuration.
  • B. A logical standby database is the only standby database in the data guard configuration.
  • C. A far sync instance is the only Data Guard configuration member receiving redo in synchronous mode.
  • D. Flashback is not enabled for either the primary database, the standby database, or both in the Data Guard configuration.
  • E. The primary and standby databases are hosted on different operating systems.

Answer: BE

NEW QUESTION 8
After converting your physical standby database to a logical database, you get an error:
1Z0-066 dumps exhibit
How can you rectify the error?

  • A. Add a logical standby database PRODSBY and enable it, thereby replacing the physical standby database metadata in the broker configuration.
  • B. Remove the physical standby database PRODSBY from the broker configuration, add a logical standby database PRODSBY to the broker configuration and enable it.
  • C. Reinstate the physical standby database PRODSBY as a logical standby, thereby replacing the physical standby database metadata in the broker configuration.
  • D. Reinstate both the primary and physical standby databases The broker will automatically detect that PRODSBY is a logical standby update to the metadata.

Answer: D

NEW QUESTION 9
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 10
Which three are always benefits of using a logical standby database?

  • A. it can be used for database rolling release upgrades
  • B. it can be used to replicate a single pluggable database (PDB) in a multitenant container database.
  • C. It can be used as an updatable database for Real Application testing and then converted back to a standby database without affecting the updates.
  • D. It can be used for reporting workloads requiring additional indexes or materialized views or both.
  • E. It provides a disaster-recovery solution with switchover and failover options that can recover any data updated on the primary database.
  • F. it can be used for testing patches without affecting the primary database.

Answer: CDF

NEW QUESTION 11
A Data Guard environment has this configuration and these attributes:
1. A primary database
2. A Physical Standby Database named sbdb
3. The configuration is in maximum availability protection mode.
Then sbdb is converted to a snapshot standby database When two statements are true?

  • A. Sdbd can still apply redo
  • B. The recovery point objective increases
  • C. The protection mode is lowered to maximum performance
  • D. The recovery time objective increases.
  • E. Sbdb can still receive redo

Answer: DE

NEW QUESTION 12
After converting your physical standby database to a logical database, you get an error:
1Z0-066 dumps exhibit
How can you rectify the error?

  • A. Add a logical standby database PRODSBY and enable it, thereby replacing the physical standby database metadata in the broker configuration.
  • B. Remove the physical standby database PRODSBY from the broker configuration, add a logical standby database PRODSBY to the broker configuration and enable it.
  • C. Reinstate the physical standby database PRODSBY as a logical standby, thereby replacing the physical standby database metadata in the broker configuration.
  • D. Reinstate both the primary and physical standby databases The broker will automatically detect that PRODSBY is a logical standby update to the metadata.

Answer: D

NEW QUESTION 13
You must use a physical standby database file to recover a data file on a primary database in a Data Guard environment.
Which three of these steps must be performed on the primary database after the file has been backed up using RMAN on the physical standby database?

  • A. Connect to the primary database as the AUXILIARY.
  • B. Catalog the data file copy for RMAN to use on the primary database for restore.
  • C. Back up the data file as copy on the standby host to a location on the standby host.
  • D. Switch to the data file copy using the RMAN SWITCH command.
  • E. Back up the data file as copy on the standby host to a location on the primary host
  • F. Connect to the primary database as the TARGET.

Answer: ABD

NEW QUESTION 14
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 15
Which two statements are true for Data Guard environments with multi-tenant databases?

  • A. DB_UNIQUE_NAME must be specified differently for each pluggable database within a multi-tenant standby database.
  • B. Each pluggable database within a multi-tenant physical standby database has a minimum of one associated Oracle Net service name.
  • C. Each pluggable database within a multi-tenant physical standby has one MRP background process running during redo apply.
  • D. A pluggable database within a multi-tenant standby database can have a different open mode than the container database
  • E. A pluggable database within a multi-tenant standby database can have a different database role than the container database.

Answer: AD

NEW QUESTION 16
Which four are true about DGMGRL show command?

  • A. It can be used to show properties of a pluggable standby database.
  • B. it can be used to show properties of a pluggable primary database.
  • C. it can be used to show instance-specific properties for a RAC database.
  • D. it can be used to show properties of a far sync instance
  • E. it can be used to show Fast Start Failover properties.
  • F. It can be used to show properties of a primary container database.

Answer: ABEF

NEW QUESTION 17
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:
1Z0-066 dumps exhibit
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 18
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

Answer: C

NEW QUESTION 19
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 20
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

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