Data Backup and Recovery: Protect Your Data from Loss and Corruption

Question 1

What is the primary purpose of data backup?

Accepted Answer

To protect data from loss or corruption due to hardware failure, malicious attacks, or human error

Answer

To improve data efficiency and performance by optimizing data storage and retrieval

Answer

To facilitate data sharing and collaboration among multiple users and teams

Answer

To automate data processing tasks, such as data cleansing and transformation

Question 2

Which backup method involves creating a complete copy of all data at a specific point in time?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Differential backup

Answer

Synthetic backup

Question 3

What is the main purpose of a recovery point objective (RPO)?

Accepted Answer

To determine the acceptable amount of data loss in the event of a disaster or system failure

Answer

To establish the limit for data backup storage size

Answer

To set the frequency of data backups

Answer

To protect against unauthorized data access

Question 4

What is the primary purpose of a disaster recovery plan?

Accepted Answer

To provide a comprehensive strategy for recovering critical data and systems in the event of a major disaster or incident

Answer

To prevent data loss and ensure business continuity

Answer

To provide a list of emergency contacts for IT support

Answer

To create a backup plan for essential data only

Question 5

Which backup technique updates only the modified portions of a file?

Accepted Answer

Incremental backup

Answer

Full backup

Answer

Differential backup

Answer

Archival backup

Question 6

Which of the following is NOT a data backup method?

Accepted Answer

RAID

Answer

Full backup

Answer

Incremental backup

Answer

Differential backup

Question 7

Which data recovery method requires direct access to the hardware components of a storage device?

Accepted Answer

Physical recovery

Answer

Logical recovery

Answer

Cloud recovery

Question 8

In data backup and recovery planning, which step is paramount?

Accepted Answer

Defining critical data and setting recovery objectives (RTOs and RPOs)

Answer

Selecting a suitable backup method

Question 9

Which backup method results in an identical copy of the data?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Differential backup

Question 10

Which recovery method restores data to a previous state?

Accepted Answer

Rollback recovery

Answer

Disaster recovery

Answer

Cold recovery

Answer

Failover recovery

Question 11

Which backup type utilizes data compression?

Accepted Answer

Incremental backup

Answer

Differential backup

Question 12

What is the primary purpose of versioning in data backups?

Accepted Answer

Preserving multiple versions of data for recovery

Answer

Reducing storage space requirements

Question 13

Which practice is essential for testing a data backup and recovery plan?

Accepted Answer

Performing regular test restores

Answer

Hiring a third-party auditor

Answer

Reviewing the plan annually

Question 14

What is the primary purpose of a data recovery plan?

Accepted Answer

To outline the steps necessary to restore data in the event of a loss or corruption.

Answer

To store backups securely

Answer

To prevent data loss or corruption

Answer

To ensure data is backed up regularly

Question 15

What is the main difference between a full backup and a differential backup?

Accepted Answer

A full backup includes all of the data, while a differential backup includes only the data that has changed since the last full backup.

Answer

A full backup is usually smaller than a differential backup.

Answer

A differential backup is more reliable than a full backup.

Answer

A full backup is created more frequently than a differential backup.

Question 16

When choosing a data recovery method, the most important factor to consider is:

Accepted Answer

The type of data loss or corruption that has occurred.

Answer

The size of the data that needs to be recovered

Answer

The cost of the data recovery method

Answer

The availability of the recovery software

Question 17

Which of the following is a best practice for data backup?

Accepted Answer

Backing up data to multiple locations

Answer

Storing backups in the same location as the original data

Answer

Using only one type of data backup

Answer

Backing up data infrequently

Question 18

Techniques to prevent data loss during a power outage include using:

Accepted Answer

An uninterruptible power supply (UPS)

Answer

Unplugging the computer from the power outlet

Answer

Opening the computer case and removing the power supply

Answer

Shutting down the computer immediately

Question 19

What is a disaster recovery plan?

Accepted Answer

A plan that outlines the steps necessary to recover data and systems in the event of a natural disaster or other catastrophic event.

Answer

A plan that outlines the steps necessary to secure data from unauthorized access

Answer

A plan that outlines the steps necessary to prevent data loss or corruption

Answer

A plan that outlines the steps necessary to back up data regularly

Question 20

What is the key advantage of using full backups?

Accepted Answer

They provide a complete replica of all data at a specific instance in time.

Answer

They offer the highest level of data security.

Answer

They are the swiftest backup method.

Question 21

What is the primary purpose of utilizing a RAID system in data backup?

Accepted Answer

To enhance data reliability and redundancy

Answer

To encrypt backup data

Answer

To prevent data corruption

Answer

To expedite the backup process

Question 22

Which of the following is a potential risk associated with using cloud-based backup services?

Accepted Answer

Concerns related to data security

Answer

High bandwidth requirements

Answer

Inconsistent performance

Answer

Limited storage capacity

Question 23

What is the significance of a recovery point objective (RPO) in the context of data backup and recovery?

Accepted Answer

It specifies the maximum acceptable amount of data loss in the event of a disaster or system failure.

Answer

It defines the location where backups are stored.

Answer

It determines the frequency of backups.

Question 24

What is the primary objective of disaster recovery planning in relation to data backup and recovery?

Accepted Answer

To ensure the swift and successful recovery of critical data and systems in the event of a disaster or major disruption.

Answer

To prevent data corruption

Answer

To minimize data loss

Question 25

Which of the following is NOT a primary reason for backing up data?

Accepted Answer

Increased risk of data loss

Answer

Reducing downtime in case of data loss

Answer

Ensuring business continuity

Answer

Protecting against hardware failure

Question 26

Which type of data backup involves copying the entire contents of a storage device at a specific point in time?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Differential backup

Answer

Log backup

Question 27

Which data recovery method allows you to restore data to a specific point in time prior to the data loss?

Accepted Answer

Point-in-time recovery

Answer

Differential recovery

Answer

Incremental recovery

Answer

Full recovery

Question 28

Which storage medium is most suitable for long-term, archival data backup due to its high reliability and low cost per gigabyte?

Accepted Answer

Tape drive

Answer

Cloud storage

Answer

Hard disk drive

Answer

Solid state drive

Question 29

Which of the following is a best practice for data backup to ensure data protection and minimize the risk of data loss?

Accepted Answer

Implement the 3-2-1 backup rule (3 copies of data, 2 different media types, 1 copy stored offsite)

Answer

Backing up data only when it is modified

Answer

Ignoring warnings or error messages during the backup process

Answer

Storing backup copies on the same storage device as the original data

Question 30

Which of the following can be a potential cause of data loss in a computer system?

Accepted Answer

Hardware failure, software failure, human error

Answer

Data encryption

Answer

Backup software updates

Answer

Regular system maintenance

Question 31

Which RAID level provides both data redundancy and improved performance by distributing data across multiple disks?

Accepted Answer

RAID 5

Answer

RAID 6

Answer

RAID 1

Answer

RAID 0

Question 32

Which of the following is a recommended best practice for data recovery to ensure a successful and efficient process?

Accepted Answer

Regularly testing recovery procedures to verify their effectiveness

Answer

Avoiding seeking technical support or assistance during the recovery process

Answer

Ignoring any warning messages or errors that may arise during data recovery

Answer

Restoring data to the original location where it was lost

Question 33

Which of the following methods can be used to prevent unauthorized access to and protect the confidentiality of data?

Accepted Answer

Encryption

Answer

RAID

Answer

Disaster recovery

Answer

Backup

Question 34

What is the primary objective of data backup?

Accepted Answer

Protecting data from loss or corruption

Answer

Maximizing data accessibility

Answer

Improving data retrieval speed

Answer

Reducing storage costs

Question 35

Which factor is crucial when selecting a data backup method?

Accepted Answer

Recovery point objective (RPO)

Answer

Data transfer rate

Answer

Backup media storage capacity

Answer

Hardware compatibility

Question 36

Which practice is essential for effective data protection?

Accepted Answer

Regular and consistent data backups

Answer

Storing data solely on personal devices

Answer

Opening attachments from unknown senders

Answer

Ignoring software updates

Question 37

Identify a type of software tool used for data recovery.

Accepted Answer

File recovery software

Answer

Virtual private network (VPN) software

Answer

Anti-malware software

Answer

System optimization software

Question 38

What advantage does a cloud-based backup service offer?

Accepted Answer

Off-site data storage

Answer

Enhanced data encryption

Answer

Reduced bandwidth consumption

Answer

Lower hardware maintenance costs

Question 39

Identify a potential drawback of using a hardware RAID system for data backup.

Accepted Answer

High acquisition and maintenance costs

Answer

Improved data retrieval performance

Answer

Simplified data management

Answer

Increased data security

Question 40

Which element is indispensable in a comprehensive disaster recovery plan?

Accepted Answer

Well-defined data backup and recovery procedures

Answer

Detailed hardware inventory

Answer

Up-to-date network configuration documentation

Answer

Comprehensive employee directory

Question 41

Which task is NOT part of an information security professional's responsibilities regarding data backup and recovery?

Accepted Answer

Developing marketing materials

Answer

Educating users on data protection best practices

Answer

Monitoring backup and recovery systems

Answer

Establishing backup and recovery policies

Question 42

Which data backup method creates a complete copy of all data at a specific point in time?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Cloud backup

Answer

Differential backup

Question 43

Imagine a company's server crashes.  The IT team needs to restore data from the previous day. Which backup method would be the fastest to restore in this situation?

Accepted Answer

Differential backup

Answer

Incremental backup

Answer

Full backup

Answer

Off-site backup

Question 44

Which of the following is a potential DISADVANTAGE of using cloud-based data backup services?

Accepted Answer

Increased security risks due to reliance on a third-party provider

Answer

Access to data backups from anywhere with an internet connection

Answer

Lower upfront costs compared to traditional backup methods

Answer

Easy expansion of storage space as needed

Question 45

A company wants to protect its data from loss due to a natural disaster like a flood or earthquake. Which backup strategy would be MOST effective?

Accepted Answer

Storing backups in a geographically different location (off-site backup)

Answer

Using only incremental backups

Answer

Storing backups on the same server as the original data

Answer

Using external hard drives kept in the same office

Question 46

Which data recovery method focuses on examining damaged files to try and recover as much usable data as possible?

Accepted Answer

File carving

Answer

Data mirroring

Answer

Data deduplication

Answer

Data restoration from backup

Question 47

What is the main purpose of defining a Recovery Time Objective (RTO)?

Accepted Answer

To set the maximum acceptable amount of time a system can be down after a failure

Answer

To choose the best backup software for a company

Answer

To decide how often data backups should be created

Answer

To calculate the financial impact of losing data

Question 48

Which of these is NOT considered a good practice for data backup and recovery?

Accepted Answer

Keeping backups on the same computer as the original data

Answer

Restricting access to backups to authorized individuals only

Answer

Regularly practicing the recovery process to ensure it works

Answer

Using a combination of different backup methods

Question 49

A company uses a tape library to keep backups of their data for a very long time. Which backup method is most likely used in this situation?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Cloud backup

Answer

Differential backup

Question 50

A company has a huge amount of data that needs to be backed up frequently.  Which backup method would be the MOST efficient for handling this?

Accepted Answer

Incremental backup

Answer

Differential backup

Answer

Cloud backup

Answer

Full backup