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

The rollback segments are not used for read consistency.

True

False

2 / 20

What is a logical backup in Oracle?

Copy of redo log files

Backup of the database SGA and PGA

Exporting database objects like tables, views using tools like Data Pump

Backup of all database control files

3 / 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

4 / 20

Which RMAN feature allows the recovery of a database to a previous state without using the complete backup?

Flashback technology

Incremental backup recovery

Archived redo log recovery

Full backup recovery

5 / 20

What is the main purpose of the Oracle Recovery Manager (RMAN)?

To increase the transaction speed

To optimize database performance

To automatically repair corrupted database blocks

To manage backups, restore operations, and recover Oracle databases

6 / 20

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

Offline ReDo file

Control file

OnLine ReDo file

Datafile

7 / 20

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

True

False

8 / 20

What is the main advantage of using RMAN over traditional backup methods?

RMAN requires no disk space

RMAN is not recommended for large databases

RMAN provides incremental backups

RMAN backs up all data files, including those that are not changed

9 / 20

In a(n) ______ backup of the database, only the last modifications to the database are copied.

Differential

Incomplete

Full

Transaction Log

10 / 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.

11 / 20

What does the RMAN command CONFIGURE CONTROLFILE AUTOBACKUP ON do?

Automatically backs up the control file whenever a backup is performed

Backs up all control files immediately

Enables a control file restoration process

Creates a new control file backup

12 / 20

In Oracle, which of the following files are used during a database recovery?

Datafiles and password files

Redo log files and control files

Archived redo log files and datafiles

Tempfiles and data dictionary

13 / 20

Which of the following is not a method of backing up Oracle database?

Logical Backups

Cold Backups

Hot Backups

Warm Backups

14 / 20

Which of the following statements about RMAN Incremental Backups is TRUE?

Level 1 backups are taken more frequently than Level 0

Level 1 backups are full backups

Level 0 backups back up all blocks in a database

Incremental backups always copy unchanged data

15 / 20

Which of the following is not an element of cold backup?

All Data files

All on-line redo log files

All Control files

None of the above

16 / 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

17 / 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

18 / 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

19 / 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

20 / 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

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!