Downloadable 1Z0-066 Exam Questions 2019

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NEW QUESTION 1
A data file on one of your physical standby databases has been accidentally deleted and you must restore and recover it. All the archive logs required for recovery are still on disk in the directory pointed to by the log_archive_dest_1 parameter Which three steps must be performed to restore the missing file and recover the standby database while it is in the MOUNT state?

  • A. Recover the datafile by using the RMAN RECOVER DATAFILE command
  • B. Restart the redo apply.
  • C. Restore the datafile by using the RMAN RESTORE DATAFILE command.
  • D. Stop the redo apply.
  • E. Recover the database by using the RMAN RECOVER DATABASE command.

Answer: CDE

NEW QUESTION 2
Which three statements are true about Far Sync instances?

  • A. The Data Guard Broker must be used to deploy and manage Far Sync instances.
  • B. They enable standby database to be configured at remote distances from the primary without impacting performance on the primary.
  • C. A primary database can ship redo directly to multiple Far Sync instances.
  • D. They use as spfile, a standby controlfile, and standby redo logs.
  • E. They work with any protection level.

Answer: ABD

NEW QUESTION 3
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 4
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 logs on 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 5
Which four factors can influence the rate of SQL apply on a logical standby database?

  • A. the size of the undo tablespace on the logical standby database
  • B. the number of full table scans performed by SQL apply
  • C. the number of coordinator processes on the standby database instance
  • D. the size of the shared pool
  • E. the number of APPLIER processes
  • F. the number of PREPARER processes

Answer: BDEF

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
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 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 administer a Data Guard environment consisting of a primary and three physical standby databases.
One physical standby database is used for disaster recovery, one is used for reporting, and one is used as a replica for testing.
The standby database used for testing is occasionally converted into a snapshot standby database and then converted back to a physical standby.
The physical standby database is the only standby that is a mandatory destination The broker configuration operates in MAXIMUM PERFORMANCE mode.
Which ARCHIVELOG DELETION POLICY should be set. so that archive logs generated on the primary database are not deleted before they are consumed appropriately on each of the standby databases, but which allows them to be deleted form the primary as soon as it is safe to do so?

  • A. CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY
  • B. CONFIGURE ACHIVELOG DELETION POLICY TO APPLIED ON STANDBY;
  • C. CONFIGURE ACHIVELOG DELETION POLICY TO SHIPPED TO ALL STANDBY;
  • D. CONFIGURE ACHIVELOG DELETION POUCY TO SHIPPED TO STANDBY,
  • E. CONFIGURE ACHIVELOG DELETION POLICY TO NONE;

Answer: B

NEW QUESTION 10
On your logical standby database, you specified these rules:
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Which is true regarding the execution of the UNSKIP procedure?

  • A. it succeeds only if SQL apply is stopped before deleting the SQL Apply filter
  • B. it succeeds but the SQL Apply fitters are not deleted.
  • C. It deletes both the SQL Apply filters.
  • D. it returns an error because the syntax to delete a SQL Apply filter must specify the same object names as specified when the filter was added
  • E. it succeeds only if all DML statements executed on the primary have been applied on the logical standby

Answer: D

NEW QUESTION 11
Which four statements are true regarding SQL Apply filters for a logical standby database?

  • A. They can be used to skip execution of DML triggers on a table while allowing the DML to execute.
  • B. They can be used to skip ALTER SYSTEM and ALTER DATABASE commands
  • C. They can be used to stop SQL apply if it encounters an error.
  • D. They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).
  • E. They can only be used to skip DML statements on a table
  • F. They can be used to skip ALTER TABLE commands on a specific tables
  • G. They can be used to skip CREATE TABLE commands

Answer: ACFG

NEW QUESTION 12
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 13
Examine the Fast-start configuration
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Oracle Error Conditions: (none) Which three are true?

  • A. The observer will initiate a failover when the primary database is unable to produce local archived redo log files.
  • B. An automatic failover will be initiated even if the target standby database lags behind the primary
  • C. The observer is running
  • D. a failover may occur if the observer has lost connectivity to the primary database, even if the Fast-Start Failover target standby database has a good connection to the primary database
  • E. The configuration operates in Maximum Availability mode
  • F. The configuration operates in Maximum Performance mode

Answer: ACE

NEW QUESTION 14
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 15
You administer a Data Guard environment with a primary and two physical standby databases.
One of the physical standby databases is used for reporting and is on the same host as the primary database.
The other physical standby database is remote, used for disaster recovery and REDO is routed 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 Guard configuration?

  • 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.

Answer: ADE

NEW QUESTION 16
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 17
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 18
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 19
Your expertise is requested for these customer requirements:
1. The Data Guard environment must be in maximum protection mode. 2 Reports must be offloaded to a physical standby database.
3. There must be no lag between the primary and standby databases that affect the reports
produced.
4. The primary database must be resilient in case of a single network failure. Which solution is correct for these requirements?

  • A. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DELAY parameter set to zero, receiving redo from the primary with asynchronous transport
  • B. two standby databases, at least one of them a physical standby with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport
  • C. one physical standby database with Real-Time Query enabled, receiving redo from two Far Sync instances that are connected the primary
  • D. one physical standby database with Real-Time Query enabled and the STANDBY_MAX_DATA_DELAY parameter set to zero, receiving redo from the primary with synchronous transport
  • E. two physical standby databases with Real-Time Query enabled, receiving redo from the primary with the LOG_ARCHIVE_DEST_n attnbutes SYNC NOAFFIRM to minimize the performance impact on the primary.

Answer: B

NEW QUESTION 20
Which two statements are true for Data Guard environments with mufti-tenant databases?

  • A. Different pluggable databases within a logical standby database may have different guard statuses.
  • B. The Data Guard broker automatically always opens the pluggable databases of a standby database after a role change operation.
  • C. The Data Guard broker automatically opens all pluggable databases of a primary database a role change operation.
  • D. The CDBDBA privilege must be used instead of the SYSDBA privilege for connections as SYS to the root container of a multi-tenant standby database.
  • E. A multi-tenant standby database can have fewer pluggable databases than the primary container database

Answer: CD

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