Approved 1Z0-066 Exam Dumps 2021

NEW QUESTION 1
Which four database parameters might be affected by or influence the creation of standby databases?

• A. DB_NAME
• B. ARCHIVE_LAG_TARGET
• C. COMPATIBLE
• D. DB_FILE_NAME_CONVERT
• E. DB_UNIQUE_NAME
• F. FAL_SERVER
• G. STANDBY_ARCH1VE_DEST

Answer: ADEF

NEW QUESTION 2
On your logical standby database, you specified these rules:

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 3
Which three are true concerning restoring of RMAN backups to primary and physical standby databases in a Data Guard environment?

• A. Backups of data files taken on the primary database may be restored on a physical standby database.
• B. Backups of control files taken on the primary database may not be restored and used on a physical standby database.
• C. Backups of SPFILEs taken on a physical standby database may not be restored on the primary database.
• D. Backups of control files taken on a physical standby database may be restored on the primary database.
• E. Backups of data files taken on a physical standby database may be restored on a pnmary database.
• F. Backups of SPFILEs taken on the primary database may not be restored and used on a physical standby database.

Answer: CEF

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 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 5
Which three types of backups taken in which situations may be used to perform restore operations to a logical standby database in a Data Guard environment?

• A. backups of data files taken on the primary database if connected to the recovery catalog where the logical standby database is registered
• B. backups of data files taken on the standby database if connected to the recovery catalog where the logical standby database is registered
• C. backups of control files taken on the primary database if connected to the recovery catalog where the logical standby database is registered
• D. backups of data files taken on the logical standby database, if not connected to arecovery catalog
• E. backups of control files taken on the logical standby database if not connected to a recovery catalog

Answer: ADE

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
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 8
Which two are true about the creation of a Data Guard Broker configuration?

• A. in a broker configuration, the primary database name must match the DB_UNIQUE_NAME value in the database initialization parameter file.
• B. A primary database profile may be added to the configuration prior to creating the primary database.
• C. A standby database profile may be added to the configuration prior to creating that standby database.
• D. A newly created broker configuration requires at least one standby database profile to be specified at the time the configuration is created.
• E. A newly created broker configuration is in the disabled state

Answer: DE

NEW QUESTION 9
Which statement is true regarding Oracle Net connectivity for a Data Guard Broker configuration?

• A. To start SQL apply on a logical standby database, a TNS entry enabling connectivity to the primary database instance must be defined on the logical standby database host.
• B. the LOCALJJSTERNER initialization parameter must be set to the listener used to register the primary database instance.
• C. To enable Reatime Query on a physical standby database, a TNS entry enabling connectivity to the standby database instance must be defined on the primary database host.
• D. A TNS enabling connectivity to the primary database instance must be defined on each of the standby database hosts.
• E. A TNS entry or entries enabling connectivity to standby database instance(s) must be defined on the primary database host.

Answer: D

NEW QUESTION 10
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 11
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 12
Which two are prerequisites for configuring flashback database for Oracle 12c databases, in a Data Guard environment?

• A. a flash recovery area must be configured
• B. The database must be in MOUNT state.
• C. The database must be in ARCHIVELOG mode.
• D. A far sync instance must be configured to flash back a standby when the primary has been flashed back.
• E. The Data Guard Broker must be used.

Answer: AC

NEW QUESTION 13
Your Data Guard environment consists of these components and settings:
1. A primary database supporting an OLTP workload 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
Which two are true regarding the DelayMins Database Property for the standby database?

• A. it can only be enabled for a configuration in Maximum Performance mode.
• B. It allows user errors on the primary to be recovered by using the physical standby database.
• C. It enables you to bypass the default network timeout interval specified for the standby redo transport destination.
• D. it can only be enabled for a configuration in Maximum Availability mode.
• E. It allows logical corruptions on the primary to be recovered by using the physical standby database.
• F. It specifies a delay before the primary ships redo to the standby destination having DelayMins set.

Answer: BF

NEW QUESTION 14
Examine this list of possible steps:
1 Raise the compatibility level on both databases
2.Restart SQL Apply on the upgraded logical standby database 3 Start SQL Apply on the old primary database.
4. Perform a Switchover to the logical standby database
5. Upgrade the logical standby database.
6. Upgrade the old primary database.
Which is the minimum number of steps in the correct order, to perform a rolling release upgrade of a data guard environment using an existing logical standby database and to enable the new functionality?

• A. 5,2.4,3,6,1
• B. 1,5,2,4,6,3
• C. 5,2,4,6,3,1
• D. 4,6,5,2,3,1
• E. 5,2,4,1

Answer: A

NEW QUESTION 15
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 16
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 17
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 18
Which two are prerequisites for configuring Transaction Guard in a Data Guard environment?

• A. Grant execute permission on the DBMS_APP_CONT package to relevant database schema owners
• B. Create a database service with COMMIT_OUTCOME set to TRUE, and ensure clients use that service to connect to the database instance.
• C. Ensure that connection descriptors for database clients use the failover clause with the COMMIT_OUTCOME parameter set to TRUE
• D. Set INSTANCE_NAME identically on all the Data Guard Configuration databases and modify the local service name on the client to include a CONNECTION_LIST containing all the standby hosts.
• E. Create a database service with COMMIT_OUTCOME set to TRUE and ensure that the service is statically registered with the default listener on the primary host

Answer: AB

NEW QUESTION 19
Examine the Data Guard configuration;

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