[不定项选择题]choose two Examine the command to duplicate a database:

RMAN> DUPLICATE TARGET DATABASE

TO cdb

PLUGGABLE DATABASE pdbl,pdb5;

Which two statements are true about the DUPLICATE command?

A. The root and the seed database in the container database (CDB) are also
Duplicated.
B. A backup of PDB1 and PDB5 must exist before executing the command.
C. The SPFILE is copied along with the data files of the pluggable databases
(PDBs).
D. An auxiliary instance must be started with the initialization parameter
ENABLE_PLUGGABLE_DATABASE set to TRUE.
E. The DUPLICATE command first creates a backup, and then duplicates the PDBs
By using the backup.

[不定项选择题]Choose two. In which two situations can you use Database Upgrade
Assistant?
A. when a character set conversion is required during the upgrade
B. when multiple pluggable databases in a container database have to be
Upgraded in a specific sequence
C. when the target and source database are on the same platform
D. when the hardware platform needs to be changed as part of the upgrade
E. when the operating system (OS) needs to be changed as part of the upgrade

[不定项选择题]Choose two. Which two are prerequisites for using FLASHBACK TABLE?
A. A table's constraints must be disabled before issuing the flashback.
B. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object
Privilege must be granted to the user performing the flashback.
C. Row Movement must be enabled on the table being flashed back.
D. A table's indexes must be set to unusable before issuing the flashback.
E. The FLASHBACK ANY TABLE system privilege or the FLASHBACK object
Privilege must be granted to the table owner.

[不定项选择题]Choose two. Which two restrictions apply when the RMAN BACKUP AS

COPY command is used to create a backup?

A.

Backups can be taken only if a fast recovery area is configured.

B.

Backups can be written only to disk.

C.

Backups can be taken only for data files.

D.

Binary compression cannot be applied to the backup.

E. Backups can be written only if checksums are stored for each block.
F. Backups can be written only to media.

[不定项选择题]Choose two. Which two are true about Lockdown profiles in a container

Database (CDB) and its pluggable databases (PDBs)?

A. A Lockdown profile created from a base Lockdown profile is always
Automatically modified if the profile on which it is based is modified.
B. A PDB Lockdown profile can be created in an application root.
C. A Lockdown profile created from a base Lockdown profile is never
Automatically modified if the profile on which it is based is modified.
D. A PDB Lockdown profile can be created in a regular PDB.
E. A PDB Lockdown profile can be created in CDB$ROOT .

[不定项选择题]Choose two.

Which two statements are true when row-archival management is enabled?

A.

The ORA_ARCHIVE_STATE column may only be queried by users with the DBA

Role set.

B.

The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the

Column select list of a query

C.

The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.

D.

The ORA_ARCHIVE_STATE column may only be updated by users with the

DBA role set.

E. The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job
Based on activity tracking.

[不定项选择题]Choose two. Which two are true about monitoring waits for sessions

And services?

A. V$SERVICE_EVENT displays wait counts for every wait event for each service
Even including counts of zero for waits that never occurred.
B. V$SESSION_WAIT and V$SESSION both contain details of the event on which
A non-waiting session last waited.
C. V$SESSION_WAIT and V$SESSION both contain details of the event on which
A waiting session is currently waiting.
D. V$SESSION_EVENT displays all waits events for those events that have
Occurred at least once for sessions that have now terminated.
E. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for
Terminated sessions.

[不定项选择题]Choose two. Which two are true about memory advisors?
A.

If Automatic Memory Management is enabled, no memory advisors are

Available.

B.

If Automatic Memory Management is enabled, the Shared Pool Advisor and

Buffer Cache Advisor are available to set the maximum size for these individual

System Global Area components.

C.

All memory advisors use data from Automatic Workload Repository.

D.

If Automatic Shared Memory Management is enabled, both the SGA Advisor

And PGA Advisor are always available.

E. If Manual Shared Memory Management is enabled, only the Shared Pool
Advisor and Buffer Cache Advisor are available.

[不定项选择题]Choose two. Which two are true about various Oracle security and

Auditing capabilities?

A.

Application-common Transparent Security Data Protection (TSDP) policies can

Be created only if all the PDBs in the application container are closed.

B.

Application-common TSDP policies are always container specific.

C.

Application-common OLS policies can be created only if all the PDBs in the

Application container are closed.

D.

Unified auditing can be automatically synchronized to all application PDBs in

An application container.

E. Fine-grained auditing (FGA) policies in an application root are automatically
Synchronized to all application PDBs contained in the application container when
They are updated.

[不定项选择题]Choose two. Which two are true about Optimizer Statistics?
A. They can be gathered by the DBMS_STATS package.
B. They provide real-time data about schema objects.
C. They are gathered by the SQL Tuning Advisor.
D. They are ignored by Optimizer if they are stale.
E. By default, they are automatically gathered by a maintenance job.

[不定项选择题]Choose two. Which two are true about Oracle Database Configuration

Assistant (DBCA)?

A. It can only be launched from the command line interface.
B. It can be launched from both the command line and the Universal Installer
(OUI) interfaces.
C. It can be used to create container databases and non-container databases.
D. It can be used to change the character set of an existing database.
E. It can be used to convert a non-container database to a container database.

[不定项选择题]Choose two.

Which two are true about unplugging an application container from a

Container database and plugging it into a different container database?

A.

Plugging the application root into a different CDB plugs in all its application

PDBs.

B.

The application root of an application container should be plugged into the

Other CDB before its application PDBs are plugged in.

C.

Application PDBs in the application container must be unplugged before the

Application root is unplugged.

D.

Unplugging the application root from a CDB unplugs all its application PDBs.

E. It requires only local UNDO mode in the database where the application
Container will be unplugged.
F. It requires local UNDO mode in both container databases.

[不定项选择题]Choose two. Which two are true about server-generated alerts?
A.

Stateless alerts can be cleared manually.

B.

Stateless alerts are automatically cleared after one day.

C.

Stateful alerts are purged automatically from the alert history after one day.

D.

Stateless alerts can be purged manually from the alert history.

E.

Stateful alerts must be cleared by a DBA to resolve the problem identified in the alert.

[不定项选择题]Choose two. Which two are true about RMAN persistent configuration

Settings, administration, and their effects?

A. A DBA must specify either a redundancy retention policy or a recovery window
Retention policy.
B. A target database's persistent RMAN configuration settings are always
Synchronized automatically with the RMAN catalog.
C. Backups older than the recovery window retention policy are always deleted
Automatically if the backup location has insufficient space.
D. Backups written to the fast recovery area (FRA) that are obsolete based on the
Redundancy retention policy can be deleted automatically to free space.
E. A target database's persistent RMAN configuration settings are always stored
In the target's control file

[不定项选择题]Choose two. Which two are true about backup set compression using
RMAN default compression?
A. Compressed backups cannot have a section size defined.
B. Compressed backups can be written only to media.
C. Binary compression adds CPU overhead to backup operations.
D. Unused blocks below the high water mark are backed up.
E. Compression can be done only for locally managed tablespaces.

[不定项选择题]Choose two. Which two are true about Rapid Home Provisioning of

Oracle software?

A. It can be used for applications and middleware.
B. It can be used only for Oracle Grid Infrastructure, including Oracle Restart.
C. It can be used for both Oracle Database and Oracle Grid Infrastructure,
Including Oracle Restart.
D. It can be used for both Oracle Database and Oracle Grid Infrastructure,
Excluding Oracle Restart.
E. It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart.

[不定项选择题]Choose two. Which two are true about poorly performing SQL

Statements and their tuning in Oracle database instances?

A. SQL statements performing many physical I/Os can always have their
Performance improved by creating indexes.
B. The solution that best optimizes one SQL statement can degrade the
Performance of others.
C. SQL statements doing joins always do more physical I/O than single table
Queries.
D. Poorly performing SQL statements can be tuned automatically by the Oracle
Server.
E. SQL statements doing only logical reads never require tuning because they do
No physical I/O.

[不定项选择题]choose two Which two statements are true about encrypted backups

Performed by using RMAN?

A. Transparent encryption of backups uses an encryption wallet.
B. Image copy backups can be created by using password encryption.
C. A password encryption of backups uses the password while creating and
Restoring backups.
D. Encrypted backups can only be written to disk.
E. A database uses the same encryption key for every encrypted backup.