Free Oracle 1z0-083 Practice Exam with Questions & Answers | Set: 9

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Questions 81

Choose two. Which two are true about RMAN backups when using a media manager?

Options:

A media manager always writes RMAN requested backups to tape.

A media manager is required to create RMAN image copies.

A media manager is required to create RMAN proxy copies.

The media manager layer (MML) routines provided by Oracle support any vendors' media management products.

By default, a request for a proxy copy may result in a backup set being created.

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Questions 82

You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. Which method or feature should you use?

Options:

Database Replay

Automatic Database Diagnostic Monitor (ADDM) Compare Period report

Active Session History (ASH) report

SQL Performance Analyzer

Questions 83

Examine this configuration: 1. CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2. 2. PDB$SEED is open READ ONLY 3. PDB1 is open READ WRITE 4. PDB2 is MOUNTED. 5. ORACLE_HOME is /u01/app/oracle/product/18.1.0/dbhome_1. You execute these commands before upgrading the database to the current release: For which databases will fixup scripts be created?

Options:

CDB1, PDB$SEED, PDB1, and PDB2

PDB$SEED, PDB1, and PDB2 only

CDB1 and PDB$SEED only

CDB1, PDB1, and PDB2 only

CDB1, PDB$SEED, and PDB1 only

Questions 84

A database is configured in ARCHIVE LOG mode. Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred. In which two scenarios is complete recovery possible? (Choose two.)

Options:

when any archived log from, before, or after the most recent backup is corrupt.

after losing all copies of the control file

after losing an archived log from after the most recent backup

after losing an archived log from before the most recent backup

after losing the SYSTEM tablespace

Questions 85

Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1. You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT. Which two are always true? (Choose two.)

Options:

CDB1 and CDB2 must be in shared undo mode.

A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.

All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.

Cloning HR_ROOT automatically clones HR_PDB1.

The HR_PDB1clone created in CDB2 will be in mount state when cloning ends.