1z0-083 Oracle Database Administration II exact Exam Questions

Oracle Database Administration II

Engineering Data Sovereignty: Why Deep Database Architecture Triumphs Over Obsolete Dumps

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Question # 11

choose four Which four are true about performance-related Oracle tools?

The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two consecutive periods.

SQL Performance Analyzer can suggest schema changes.

SQL Performance Analyzer can identify regressed SQL statements.

Database Replay always uses one replay client for all the original database sessions.

Database Replay always uses one replay client for each original database session.

The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two non¬consecutive periods.

The Active Session History (ASH) report is based on wait event samples.

Question # 12

The persistent configuration settings for RMAN have default for all parameters. Identify four RMAN commands that produce a multi-section backup.

BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

BACKUP TABLESPACE " TEMP " SECTION SIZE 10M;

BACKUP TABLESPACE " UNDO " INCLUDE CURRENT CONTROLFILE SECTION SIZE 100M;

BACKUP SPFILE SECTION SIZE 1M;

BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M;

Question # 13

Choose two. Which two are true about backup encryption?

The Transparent Data Encryption (TDE) keystore is backed up using RMAN.

Vendor-specific media management software can be used for making encrypted RMAN backups to media.

The BACKUP BACKUPSET command can encrypt and decrypt backup sets.

Image copies can be encrypted.

Keystore-based encryption is the default mode for RMAN backup encryption.

Backup encryption can be enabled selectively for specific tablespaces.

Question # 14

Choose three. Which three are true about a container database (CDB)?

It can be created from a non-CDB.

It can contain only one PDB$SEED, which is created when the CDB is created.

It can have local users with the same name in different PDBs.

It can contain only one Application Container seed, which is created when the Application Container is created.

It can be created by cloning an existing CDB.

It can have any number of pluggable databases (PDBs) limited only by space availability.

It contains predefined common roles in both the root and the seed.

Question # 15

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

A connection to an auxiliary instance is always required.

A subset of the target database can be duplicated.

A new DBID is always created for the duplicated database.

A connection to the recovery catalog instance is always required.

A backup of the target database is always required.

Duplication can be done by having the target database instance push copies to the auxiliary database instance.

Question # 16

Which two arc true about Optimizer Statistics ?

They can be gathered by the DBMS_STATE package.

They are ignored by Optimizer if they are state.

They are gathered by the SQL Tuning Advisor.

By default, they are automatically gathered by a maintenance job.

They provide real-time data about schema objects.

Question # 17

You execute this command successfully: SQL > ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What is the outcome?

It creates a binary backup of the control file.

It updates the alert log with the location and contents of the control file

It creates a file that contains SQL statements to re-create the control file.

It creates a file that contains RMAN scripts to create a duplicate database.

It creates a copy of the control file in the fast recovery area (FRA).

Question # 18

RMAN is connected to a target database instance and an auxilary instance. You execute 3625the command: RMAN > DUPLICATE TARGET DATABASE TO dupdb FROM ACTIVE DATABASE SECTION SIZE 1G; What is the outcome?

RMAN uses the pull method to restore files using image copies

RMAN uses the push method to transfer image copies

RMAN uses the push method to transfer backup sets

RMAN uses the pull method to restore files using backup sets

Question # 19

Examine the command to duplicate a database: RMAN > DUPLICATE TARGET DATABASE TO cdb PLUGGABLE DATABASE pdb1, pdb5; Which two statements are true about the DUPLICATE command?

he SPFILE is copied along with the datafiles of the pluggable databases (PDBs). The root and the seed database in the container database (CDB) are also duplicated.

A backup of pdb1 and pdb5 must exist before executing the command.

The duplicate command first creates a backup, and then duplicates the PDBs by using the backup.

A backup of CDB and pdb1 and pdb5 must exist before executing the command.

An auxiliary instance must be started with the initialization parameter ENABLE_PLUGGABLE_DATABASE set to TRUE.

Question # 20

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

The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.

The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.

The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.

The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.

The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active. Correct

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