Validated 1Z0-066 Free Practice Questions 2019

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NEW QUESTION 1
Examine the Data Guard configuration:
1Z0-066 dumps exhibit
Which three will be true after a switchover to Sheep?

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

Answer: ACE

NEW QUESTION 2
Your Data Guard environment consists of these components and settings:
1. A primary database
2. A remote physical standby database
3. Real-time query is enabled
4. The redo transport mode is set to SYNC.
5. The protection mode is set to Maximum Availability.
You notice that queries executed on the physical standby database receive errors: ORA- 03172: STANDBY_MAX_DATA_DELAY of 15 seconds exceeded. Which two would you recommend to avoid this error?

  • A. Change the protection mode to Maximum Performance.
  • B. Increase the size of the buffer cache on the standby database instance.
  • C. Reduce I/O latency for the storage used by the primary database.
  • D. Change the protection mode to Maximum Protection.
  • E. Increase the network bandwidth between the primary and standby databases
  • F. Increase the number of standby redo log files on the primary database

Answer: AE

NEW QUESTION 3
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 4
Examine this query and its output:
1Z0-066 dumps exhibit
Which are true?

  • A. The observer is not connected to the database on which the query was executed.
  • B. Cats is a bystander database.
  • C. The observer is connected to the database on which the query was executed.
  • D. The observer is currently running on o17.example com
  • E. The observer is not running, but should run on o17 example.com.

Answer: A

NEW QUESTION 5
Which three are true concerning Automatic Block Media Recovery in a Data Guard environment when running an application as an ordinary Oracle user?

  • A. Real Time Query must be enabled on the primary database
  • B. Real Time Query must be enabled on the physical standby database.
  • C. |f a physically corrupt block is discovered on a physical standby database, then a valid block image from the primary database is retrieved.
  • D. If a physically corrupt block is discovered on the primary database, then a valid block image from a physical standby database is retrieved
  • E. if a physically corrupt block is discovered on a logical standby database, then a valid block image from the primary database is retrieved.
  • F. If a physically corrupt block is discovered on a primary database, then a valid block image from the logically standby database is retrieved.

Answer: BCD

NEW QUESTION 6
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 7
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 8
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 9
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 10
Examine the Data Guard configuration:
1Z0-066 dumps exhibit
Identify two possible reasons for this error.

  • A. The FastStartFailoverTarget property is not set on Sheep.
  • B. The FastStartFailoverTarget property is not set on Dogs.
  • C. The FastStartFailoverTarget property is not set on DogsFSI.
  • D. The LogXptMode property is set to ASYNC on Dogs.
  • E. The RedoRoutes property is not set on Dogs
  • F. The RedoRoutes property is not set on DogsFSI

Answer: AD

NEW QUESTION 11
Which three are required in order to use Real-Time Query without lagging behind the primary?

  • A. There must be standby redo logs on the standby database
  • B. There must be standby redo logs on the primary database.
  • C. The primary must ship redo asynchronously.
  • D. COMPATIBLE must be set to 11.1.0 or higher.
  • E. Real-Time apply must be enabled on the standby.

Answer: ADE

NEW QUESTION 12
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 13
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 14
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 viewsor 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 15
Which three statements are true about snapshot standby databases?

  • A. Tablespaces can be dropped.
  • B. Tables can be dropped
  • C. The broker may be used to fail over to a snapshot standby database.
  • D. A logical standby database can be converted into a snapshot standby database.
  • E. Tablespaces can be created.

Answer: ABE

NEW QUESTION 16
Which two statements are true regarding Data Guard Broker?

  • A. It automatically adds the primary database to an existing broker configuration when Enterprise Manager Cloud Control is used to create a standby
  • B. It automatically starts the DMON process for the database instances that are part of a Data Guard configuration.
  • C. it can be used to perform failovers and switchovers.
  • D. It can be used to create and manage standby databases.
  • E. It can be used to monitor redo transport and log apply services.

Answer: BC

NEW QUESTION 17
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

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