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Oracle 1z0-066 Exam Questions

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Oracle Database 12c: Data Guard Administration

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Oracle 1z0-066 Sample Questions – Free Practice Test & Real Exam Prep

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: 017.example.com 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. 
Answer: C
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, 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: B,E
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  
Answer: B,C 
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. 
Answer: B,E 
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.  
Answer: A,B,E,F
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