Free Oracle 1z0-083 Practice Exam with Questions & Answers | Set: 5

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Questions 41

Choose the best answer. Examine this configuration:

1. CDB1 is a container database.

2. There are several pluggable databases (PDBs) in CDB1.

5. Each PDB has several tables with referential integrity constraints.

6. FLASHBACK DATABASE is ON.

7. UNDO RETENTION GUARANTEE is enabled.

Multiple undesired multitable changes were made in all the PDBs.

Which method can be used to undo the changes using a single command?

Options:

restore and recover database

flashback transaction

flashback database

flashback table and transaction

flashback table

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Questions 42

Choose three. Which three are true about recovering tables using RMAN?

Options:

RMAN can recover tables owned by the SYSTEM user.

RMAN can recover tables owned by the SYS user.

RMAN can recover tables in the SYSTEM tablespace.

RMAN always uses an auxiliary instance.

RMAN can recover a table after a DDL operation has altered the table structure.

RMAN can recover tables in the SYSAUX tablespace.

RMAN can recover tables in a standby database.

Questions 43

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?

Options:

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.

Questions 44

Choose two. Which two are true about RMAN persistent configuration settings, administration, and their effects?

Options:

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.

Backups older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

Backups written to the fast recovery area (FRA) that are obsolete based on the redundancy retention policy can be deleted automatically to free space.

A target database's persistent RMAN configuration settings are always stored in the target's control file.

Questions 45

Choose two. Which two are true about the execution of operating system scripts starting from Oracle Database 19c?

Options:

The root password cannot be specified in a response file.

The sudo password must be specified in a response file.

orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.

root.sh can be executed automatically by the Database installer only if it is provided with root credentials.

root.sh can be executed automatically by the Database installer only by using sudo credentials.

Questions 46

Choose three. Which three are true about patchsets?

Options:

They are installed via OPatch or OPatchAuto.

A base release is not needed to install patchsets.

They can be applied in a rolling fashion for Clusterware and the databases.

Installing a patchset is considered an "upgrade."

They can introduce new features.

They are only released quarterly.

Questions 47

Choose three. Which three are true about Oracle Grid Infrastructure for a Standalone Server?

Options:

It requires Oracle ASMLib to manage Automatic Storage Management (ASM) disks.

It creates one disk group during installation.

It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.

Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.

It requires Oracle ASM Fitter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks.

It requires the operating system ORACLE_BASE environment variable to be predefined before installation.

Questions 48

Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.)

Options:

Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.

A failure can be closed only when it has been repaired.

Data Recovery Advisor can be used if a database is closed.

The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities.

Data Recovery Advisor can proactively check for failures.

Questions 49

Choose two. Examine this configuration: 1. CDB1 and CDB2 are two container databases. 2. PDB1 is a pluggable database in CDB1. 3. PDB1_C1_SRV is a service for PDB1. 4. CDB1_LINK is a database link in CDB2 referring to PDB1. 5. CDB2 is also an entry in tnsnames.ora pointing to the CDB2 database default service. You execute these commands successfully: $ sqlplus sys/oracle_4U@cdb2 as sysdba SQL> CREATE PLUGGABLE DATABASE PDB1 FROM PDB1@CDB1_LINK SERVICE_NAME_CONVERT= ('PDB1_C1_SRV', 'PDB1_C2_SRV') ; Which two are true?

Options:

PDB1_C2_SRV will be created but not started.

PDB1 will be created in CDB2 and automatically opened.

PDB1_C1_SRV in CDB1 will be renamed PDB1_C2_SRV.

PDB1 will be created in CDB2 and left in MOUNT state.

PDB1_C2_SRV will be created and started automatically.

Questions 50

Choose four. Which four are true about performing Tablespace Point-In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?

Options:

It can be performed using an auxiliary instance managed by RMAN.

It can be performed using an auxiliary instance managed by a DBA.

It can be used to recover a truncated table.

It can be performed repeatedly until the correct time is found without using an RMAN catalog. E)RMAN always includes tablespaces containing UNDO segments in the recovery set.

RMAN automatically adds any required tablespaces to the recovery set to make it selfcontained. G) FLASHBACK DATABASE must be enabled for it to work. H) It can be used to recover a dropped

tablespace.