Virtual 1Z0-066 Dumps Questions 2021

NEW QUESTION 1
Examine the Data Guard configuration:

Which three will be true after a switchover to Sheep?

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

Answer: ABE

NEW QUESTION 2
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 3
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 beopen 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 4
Which three factors can influence the rate of redo apply on a physical standby database?

• A. the network latency between the primary and standby databases
• B. the number of archiver processes on the standby database
• C. the number and size of standby redo logs on the primary database
• D. the rate of redo generation on the primary database
• E. the number and size of standby redo logs on the standby database

Answer: ABE

NEW QUESTION 5
Which two are true about management of a far sync instance when using the Data Guard Broker?

• A. A far sync instance is in a disabled state in the broker configuration immediately after adding it
• B. A far sync instance that has its RedoRoutes property set may not be disabled in the broker configuration.
• C. Broker management of a far sync instance may only be disabled with the disable configuration DGMGRL command.
• D. A far sync instance need not exist before adding it to the broker configuration but may not be enabled until created

Answer: AB

NEW QUESTION 6
You must design an Oracle Data Guard configuration for an OLTP database that meets these permanent requirements:
1. Data loss is not permitted.
2. Read-only applications should not connect to the primary database instance. Additionally, there are these requirements, only one of which is ever done at any one time:
1. It should be possible to apply designated patches with a minimum amount of downtime.
2. Upgrading to a new database release should be performed with the least possible amount of downtime.
3. New application software releases should be tested against an exact and up-to-date replica of the primary database.
Which configuration meets these requirements with the fewest databases?

• A. a primary database with three physical standby databases
• B. a primary database with one logical and two physical standby databases
• C. a primary database with one logical standby database
• D. a primary database with one logical and one physical standby database
• E. a primary database with two physical standby databases
• F. a primary database with one physical standby database

Answer: D

NEW QUESTION 7
Which three are true regarding the Enterprise Manager Cloud Control Data Guard configuration verification wizard?

• A. it checks that supplemental logging is turned on if there is a logical standby database in the configuration.
• B. it verifies that parameter settings in the SPFILE or in memory or both, are consistent with the broker configuration properties for that database.
• C. It checks that the current data protection level is consistent with the broker's configured data protection mode.
• D. it modifies the database configurable parameters to match the values set for the broker configuration.
• E. It generates a workload on the primary database causing log switching, and monitors the arrival rate of redo on the standby database.

Answer: ABC

NEW QUESTION 8
Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured?

• A. They are required on a logical standby for real-time apply
• B. They are required only for synchronous redo transport.
• C. Only standby databases can write redo to them.
• D. It is recommended to have them on the primary database.
• E. They are required on a physical standby for real-time apply.
• F. The LGWR process writes to them on a standby database.

Answer: ACE

NEW QUESTION 9
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 10
Examine the Data Guard configuration after an accidental switchover to Sheep:

Which three will be true after a switchover to Dogs?

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

Answer: BCE

NEW QUESTION 11
You have a Data Guard Broker configuration called Somewhere' as shown:

Which two are true about the output of this DGMGRL command?

• A. A far sync instance cannot have inconsistent properties because it has no database.
• B. It shows all properties whose broker configuration values for database Nearby are inconsistent with the broker configuration values for database Farout.
• C. It shows all properties whose broker configuration values for database Nearby are inconsistent with the values in the corresponding server parameter file or the runtime values for database instance Nearby.
• D. Any inconsistency reported is on an instance-specific basis.

Answer: CD

NEW QUESTION 12
Attempting to start the observer raises an error: DGMGRL> start observer:
DGM-16954: Unable to open and lock the Observer configuration file Failed. Identify two possible reasons for this error

• A. Fast-Start Failover is not yet enabled for this Data Guard configuration
• B. The observer configuration file is marked read-only.
• C. There is already an observer running for this Data Guard configuration.
• D. There is another observer running for a Data Guard configuration which uses the same observer configuration file
• E. The broker configuration has not yet been created.

Answer: BD

NEW QUESTION 13
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: BE

NEW QUESTION 14
You must configure an Oracle Data Guard environment consisting of:
1. A primary database
2 Three Physical Standby Databases
You must meet these requirements:
✑ A designated physical standby database should become the primary database automatically whenever the primary database falls
✑ The chosen protection mode should provide the highest level of protection
possible without violating the other requirement
Which redo transport mode and protection mode would you configure to meet these requirements?

• A. SYNC NOAFFRIM and Maximum Protection
• B. SYNC NOAFFIRM and Maximum Availability
• C. ASYNC and Maximum Performance
• D. SYNC AFFIRM and Maximum Availability
• E. SYNC AFFIRM and Maximum Protection

Answer: D

NEW QUESTION 15
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 16
Which three are prerequisites for enabling Fast-Start Failover?

• A. The Fast-Start Failover target standby database must receive REDO directly from the primary database
• B. Flashback Database must be enabled on both the primary database and the Fast-Start Failover target standby database.
• C. Flashback Database must be enabled only on the Fast-Start Failover target standby database.
• D. The configuration must be operating in either Maximum Performance or Maximum Availability mode
• E. The configuration must be operating in either Maximum Performance or Maximum Protection mode
• F. The Data Guard environment must be managed by the Data Guard Broker.

Answer: BDF