[不定项选择题]Which three are true about monitoring waits for sessions and services?

(Choose three.)

A.

V$SESSION_EVENT displays all waits for all past and existing sessions if the

Wait has occurred at least once for a session.

B.

V$SERVICE_EVENT displays all waits for all services if the wait has occurred at

Least once for a service.

C.

V$SESSION_WAIT _CLASS displays waits broken down by wait class only for

Waiting sessions.

D.

V$SESSION_WAIT and V$SESSION both contain details of the event on which

A non-waiting session last waited.

E. V$SESSION_EVENT displays all waits for all past sessions if the wait has
Occurred at least once for a session.
F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a
Session is currently waiting.

[不定项选择题]choose three Which three are true about Transparent Data Encryption

(TDE)?

A. It uses a single master key for a database.
B. It replaces secure application roles.
C. It encrypts only data on the client.
D. It stores the current and all past master keys in the keystore.
E. Master encryption keys are managed by Oracle Database Vault.
F. It can encrypt data at the column level.

[不定项选择题]choose three Which three are true about RMAN duplexed backup sets or image copies?
A.

A backup set may be duplexed with both copies written to disk.

B.

An image copy on disk can be copied to disk.

C.

A backup set may be duplexed with both copies written to sbt.

D.

A backup set may be duplexed so that one copy is written to sbt and the other

To disk.

E. An image copy on disk can be copied to sbt.
F. An image copy on sbt can be copied to disk.

[不定项选择题]Choose three. Which three are true about recovering tables using

RMAN?

A.

RMAN can recover tables owned by the SYSTEM user.

B.

RMAN can recover tables owned by the SYS user.

C.

RMAN can recover tables in the SYSTEM tablespace.

D.

RMAN always uses an auxiliary instance.

E. RMAN can recover a table after a DDL operation has altered the table
Structure.
F. RMAN can recover tables in the SYSAUX tablespace.
G. RMAN can recover tables in a standby database.

[不定项选择题]Choose three. Which three are true about block media recovery?
A. To use it, Flashback Database must be enabled.
B. A block being recovered is not accessible.
C. It cannot repair logical corruption.
D. It can be performed on noncorrupt blocks.
E. The target database for which one or more blocks are to be recovered must be
In the OPEN state.
F. The data file containing the block being recovered remains online.

[不定项选择题]Choose three. Which three are true about Automatic Workload Repository

(AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle

Multitenant environment?

A. AWR snapshots can be created in CDB$ROOT.
B. ADDM can run in a nonroot container.
C. AWR reports can be generated while connected to any container.
D. All AWR data is stored in the CDB$ROOT SYSAUX tablespace.
E. AWR snapshots can be created in a PDB.
F. No AWR data is stored in the CDB$ROOT SYSAUX tablespace.

[不定项选择题]Choose three. Which three are true about cloning databases into an

Existing CDB with RMAN?

A. A non-CDB can be cloned into a PDB.
B. A user with SYSDBA or SYSBKUP must be logged in with RMAN to CDB$ROOT
When cloning a PDB.
C. Only one PDB can be cloned at a time.
D. Two or more PDBs can be cloned with the same command.
E. A user with SYSDBA or SYSBKUP must be logged in with RMAN to the
Non-CDB being cloned when cloning a non-CDB.
F. The target and auxiliary instance passwords must be the same.

[不定项选择题]Choose three. Which three are true about post-upgrade activities

When upgrading an Oracle database using Database Upgrade Assistant?

A.

Any Recovery Manager (RMAN) recovery catalog must be upgraded manually.

B.

After a manual upgrade, TNSNAMES.ORA entries must be updated to reflect

The new ORACLE_HOME.

C.

Time zone files must be upgraded manually using the DBMS_DST PL/SQL

Package.

D.

The new extended data type capability must be enabled by running the

Utlrp.sql script

E. The Oracle Application Express configuration should be updated after
Upgrading Oracle Database.

[不定项选择题]Choose three. Which three are true about using Database Upgrade
Assistant (DBUA) to upgrade a database?
A. DBUA must be launched from the target Oracle Home.
B. Multiple databases with the same ORACLE_HOME can be upgraded
Simultaneously.
C. A whole database backup must exist before upgrade.
D. The Pre-Upgrade Information Tool script is executed by DBUA.
E. All pluggable databases are automatically upgraded as part of a container
Database upgrade.
F. The database must be opened in read-only mode.

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

(RHP), which has been available since Oracle 18c?

A. It can be used to deploy Grid Infrastructure homes, including Oracle Restart.
B. It can be used to deploy Oracle Database homes.
C. It is an Oracle Database service.
D. It cannot be used to provision applications.
E. It cannot be used to provision middleware.
F. It is an Oracle Grid Infrastructure service.

[不定项选择题]Choose three.

Which three are true about SGA memory management in a multitenant

Database?

A. SGA_MIN_SIZE cannot be set for a PDB.
B. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of
Shared Pool memory for that PDB.
C. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA
Memory for that PDB.
D. The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the
SHARED_POOL_SIZE setting of the root container.
E. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database
Buffer Cache memory for that PDB.
F. The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET
Value of the root container.

[不定项选择题]Choose three.

Which three are true about actions that can or cannot be performed by users

With the SYSBACKUP privilege?

A.

They can view data from any data dictionary view or dynamic performance

View.

B.

They can drop any tablespace.

C.

They can view data from any user-defined tables.

D.

They can create any table.

E.

They cannot create restore points.

F.

They cannot drop tablespaces.

[不定项选择题]Choose three.

Which three are true about interpreting Recovery Manager (RMAN) error

Stacks returned to standard output?

A.

If an RMAN command fails, the output will only identify the command that

Failed.

B.

Some messages in the error stack are not errors.

C.

If an RMAN command fails, the output will identify the channel ID where the

Failure occurred.

D.

Media Management errors appear as a line with "Additional information" and

A number.

E. Media Management errors appear as a line with "sbtio" and a number.
F. Media Management errors appear as a line with "sbtio".

[不定项选择题]Choose three. Which three are true about an application container?
A. It must have an application root PDB.
B. Two application containers can share an application seed PDB.
C. It can contain multiple applications.
D. It can contain a single application.
E. It must have an application seed PDB.
F. An application PDB can belong to multiple application containers.

[不定项选择题]Choose three. Which three are true about the Oracle Optimizer?
A.

It considers the filters in WHERE clauses when generating execution plans for SQL statements.

B.

It obeys all hints.

C.

It considers object statistics when generating execution plans for SQL statements.

D.

It updates stale object statistics in the Data Dictionary.

E. It can only use SQL Plan Directives tied to the SQL statement for which a plan
Is being generated.
F.

It can re-optimize execution plans after previous executions detect suboptimal plans.

[不定项选择题]Choose three. Which three are true about Oracle Restart?
A.

) It is used in both clustered and non-clustered environments.

B.

) You can add and remove components from an Oracle Restart configuration

With Server Control (SRVCTL) commands.

C.

) It runs from the Oracle Grid Infrastructure home.

D.

) If you shut down a database instance with SQL*Plus, Oracle Restart interprets

This as a database failure and attempts to restart the instance.

E.) The Server Control (SRVCTL) utility can be used to start and stop Oracle
Restart.
F.) It can manage Oracle Database instances, Oracle Net Listeners, and Oracle
Automatic Storage Management instances.