1Z0-066 | Oracle 1Z0-066 Free Practice Questions 2021

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NEW QUESTION 1
Examine the Data Guard configuration: DGMGRL> show configuration Configuration -Animals
Protection Mode: MaxAvailability Databases:
dogs- Primary database
sheep- (*) Physical standby database cats- Physical standby database
Fast-Start Failover: ENABLED Configuration Status: SUCCESS
What happens if you issue "switchover" to sheep;" at the DGMGRL prompt?

  • A. The switchover succeeds but Dogs need to be reinstated
  • B. The switchover succeeds but Fast-Start Failover is suspended.
  • C. The switchover succeeds and Cats become the new failover target.
  • D. The switchover succeeds and Dogs become the new failover target
  • E. it results in an error indicating that a switchover is not allowed.

Answer: D

NEW QUESTION 2
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 3
A query on the view DBA_LOGSTDBY_UNSUPPORTED on your primary database returns several rows.
As a result of this, you decide that an upgrade may not use logical standby databases Which three are true about upgrading Data Guard environments consisting of one physical
standby database running on a separate host from the primary?

  • A. The upgrade requires downtime until the upgrade of the standby is completed.
  • B. The broker must be disabled during the upgrade
  • C. With manual upgrade, catupgrd.sql can be executed on the primary and standby databases simultaneously.
  • D. The upgrade requires downtime until the upgrade of the primary is completed.
  • E. The new release of the Oracle Software must be installed on both the primary and standby database hosts
  • F. Redo Apply on the standby database must be stopped while the primary database is upgraded.
  • G. Fast-Start Failover can be used to protect the primary database during the upgrade.

Answer: BDE

NEW QUESTION 4
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

NEW QUESTION 5
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 standbydatabase.
  • E. A multi-tenant standby database can have fewer pluggable databases than the primary container database

Answer: CD

NEW QUESTION 6
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 7
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 8
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 9
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 10
On your logical standby database, you specified these rules:
1Z0-066 dumps exhibit
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
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 12
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 13
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 production database with zero data loss.
2. We want to generate reports from the proposed standby database at the same time that it 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 primary database 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: BC

NEW QUESTION 14
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 15
Your Data Guard environment has one physical standby database using Real-Time Query. Two sentences have been created by these SQL statements:
create sequence a global; create sequence b session; Neither sequence has been used since being created
Session 1 connects to the primary database instance and issues these two SQL statements:
SELECT a.nextval FROM DUAL;
SELECT b nextval FROM DUAL;
Then session 2 connects to the physical standby database instance and issues the same SQL statements.
What output will be seen for session 2?
1Z0-066 dumps exhibit

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: C

NEW QUESTION 16
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 17
Which two Data Guard monitoring activities may be performed using Enterprise Manager Cloud Control?

  • A. monitoring the redo apply rate on a physical standby
  • B. monitoring the redo apply rate on a logical standby
  • C. monitoring the undo generation rate on a logical standby
  • D. monitoring the redo apply rate on a snapshot standby
  • E. monitoring the transport lag
  • F. monitoring the undo generation rate on the primary

Answer: AE

NEW QUESTION 18
Which three are true concerning database states after a successful switchover?

  • A. If the former primary database became a logical standby database it will be in mount state
  • B. The new primary database will be open read-write.
  • C. The former primary database will always be open.
  • D. If the former primary database became a logical standby database it will be open read- write.
  • E. if the former primary database became a physical standby database it will always be open read-only.
  • F. If the former primary database became a physical standby database it will be in the same state as the former physical standby database

Answer: ABE

NEW QUESTION 19
Examine the Data Guard configuration;
1Z0-066 dumps exhibit
What can you conclude based on this error?

  • A. Cats is a snapshot standby database
  • B. The redo transport mode is set to ASYNC for the standby database Sheep
  • C. The redo transport mode is set to ASYNC for both standby databases
  • D. The redo transport mode is set to ASYNC for the standby database Cats

Answer: B

NEW QUESTION 20
You edit the DGConnectldentifier database property using the edit database set property
DGMGRL command Which two are effects of this change?

  • A. The fal_client database initialization parameter on all standby databases is updated with the new value.
  • B. The service attribute of the log_archive_dest_n initialization parameter for any database referring to the specified database is updated with the new value.
  • C. The fal_client database initialization parameter for the specified database is updated with the new value
  • D. The broker configuration must be disabled and then enabled to use the new connection property.
  • E. The service attribute of the log_archive_dest_n initialization parameter referring to all standby databases is updated with the new value

Answer: AB

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