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Oracle 1z0-066 Dumps

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Oracle 1z0-066 Sample Questions

Question # 1

Examine the Data Guard configuration:DGMGRL> show configurationConfiguration-AnimalsProtection Mode: MaxAvailabilityDatabases:Sheep- Primary databaseWarning: ORA-16817: unsynchronized fast-start failover configurationDogs - (*) Physical standby database (disabled)ORA-16661: the standby database needs to be reinstatedFast-Start Failover: ENABLED Configuration Status: WARNINGAnd the fast-start failover configuration:DGMGRL> show fast_start failover; Fast-Start Failover: ENABLEDThreshold: 30 seconds Target: dogsObserver: Lag Limit: 30 seconds (not in use) Shutdown Primary: TRUEAuto-reinstate: TRUE Observer Reconnect 10 seconds Observer Override: FALSEConfigurable Failover Conditions Hearth Conditions: Corrupted Controlfile YESInaccessible Logfile NOStuck Archiver NODatafile Offline YESOracle error ConditionsORA-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_REASONORA-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. 

Question # 2

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, 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. 

Question # 3

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 productiondatabase with zero data loss.2. We want to generate reports from the proposed standby database at the same time thatit 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 primarydatabase 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  

Question # 4

Which two are true about database roles in an Oracle Data Guard Configuration? 

A. a configuration consisting only of a primary and one or more physical standby databases can support a rolling release upgrade.
B. A Logical Standby Database can be converted to a Snapshot Standby Database.  
C. A Logical Standby Database can cascade redo to a terminal destination 
D. A Snapshot Standby Database can be a fast-start failover target 
E. A Physical Standby Database can be converted into a Logical Standby Database. 

Question # 5

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.  

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. 

Question # 7

You administer a Data Guard environment with a primary and two physical standbydatabases.One of the physical standby databases is used for reporting and is on the same host as theprimary database.The other physical standby database is remote, used for disaster recovery and REDO isrouted 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 Guardconfiguration?

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. 

Question # 8

Your Data Guard environment consists of these components and settings:1. A primary database2. Two remote physical standby databases3. 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.  
C. Decrease the redo log file size on the primary database.  
C. Decrease the redo log file size on the primary database.  

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