Oracle Backup And Recovery: Intermediate-Level Quiz

Oracle Backup And Recovery Quiz

The goal of this quiz is to evaluate your understanding of essential tools and processes that ensure the availability, integrity, and security of Oracle databases in various scenarios, such as data loss, corruption, or hardware failure. Let's Begin!

1 / 20

What is the difference between a COLD BACKUP and a HOT BACKUP in Oracle?

A cold backup only backs up data files, while a hot backup includes archived logs

A cold backup is taken when the database is shut down, while a hot backup is taken while the database is running

A hot backup is a full backup, while a cold backup is incremental

There is no difference between a hot and cold backup

2 / 20

What is the primary use of the Oracle Data Pump utility in backup and recovery?

To manage redo log files

To perform physical backups of the database

To backup control files

To perform logical backups by exporting database objects

3 / 20

Can you backup the online redo log files?

Yes, by using the following statement: Alter database backup controlfile to '' or trace.

Not sure

Probably

4 / 20

What background process will write undo data?

REVERSE

UNDO

DBWR

DBUN

5 / 20

What Oracle backup and recover file contains user and system data?

Offline ReDo file

Control file

OnLine ReDo file

Datafile

6 / 20

Which of the following commands is used to delete RMAN backups that are no longer needed?

BACKUP REMOVE

DELETE OBSOLETE

REMOVE BACKUP

PURGE OBSOLETE

7 / 20

Which RMAN feature is used for transporting tablespaces between databases?

Transportable tablespaces

Duplicate tablespace

Tablespace recovery

Backup tablespace

8 / 20

Complete recovery uses redo data or incremental backups combined with a database backup, datafile or tablespace to update it to the most current point. True or False?

True

False

9 / 20

What does the RMAN CROSSCHECK command do?

Recovers missing archived redo logs

Verifies the status of backups and makes them available

Backs up the control file

Lists all existing backups

10 / 20

What type of RMAN backup skips data blocks that have not changed since the last backup?

Cumulative backup

Differential backup

Incremental backup

Full backup

11 / 20

Can you take an online backup of a control file?

es, by using the following statement: Alter database backup controlfile to '' or trace

No, you can't

No idea

Probably

12 / 20

The rollback segments are not used for read consistency.

True

False

13 / 20

Which of the following RMAN commands can you use to check the integrity of the backups?

LIST BACKUPS

RESTORE VALIDATE

RECOVER BACKUP

BACKUP VALIDATE

14 / 20

A level 0 is called an incremental backup. True or False?

True

False

15 / 20

The recovery catalog is an inventory of the backup taken by RMAN for the database. True or False?

True

False

16 / 20

What is the use of the ROLLBACK command in oracle?

It is used for dividing or breaking a transaction into multiple units so that the user has a chance of rolling back a transaction up to a point or location.

It is used in controlling the boundaries of a transaction.

It is used to undo the transactions that have not already been saved permanently to the database and get back to the initial state from where the transaction was started.

It is used for inserting / updating / deleting data to/from a table then we are performing a transaction on a table.

17 / 20

What is the use of CONSISTENT option in EXP command?

A flag to indicate whether statistical information about the exported objects should be written to export dump file

Name of the parameter file to be passed for export

A flag to indicate whether a read consistent version of all the exported objects should be maintained

For Incremental exports, the flag indirect whether a record will be stores data dictionary tables recording the export

18 / 20

What is the use of the FILE option in the EXP command?

To indicate whether export should compress fragmented segments into single extents

To indicate whether indexes on tables will be exported

To indicate whether table rows should be exported

To give the export file name

19 / 20

Oracle has introduced a flashback technology to recover the past states of database objects. True or False?

True

False

20 / 20

A backup piece is a physical binary file created by RMAN during a backup. True or False?

True

False

Your score is

The average score is 0%

The Oracle backup and recovery quiz explores strategies and techniques for safeguarding and restoring Oracle databases.

It also covers troubleshooting recovery scenarios, ensuring data integrity, and disaster recovery planning.

The quiz is ideal for intermediate-level professionals familiar with Oracle database management who want to advance their skills in securing data against failures.

All the best!