System Backup and Recovery: Master the Art of Data Protection

Question 1

Which of the following RAID levels provides data mirroring?

Accepted Answer

RAID 1

Answer

RAID 0

Answer

RAID 5

Answer

RAID 10

Question 2

What is the function of a backup catalog?

Accepted Answer

To store information about all backups performed

Answer

To generate recovery scripts for restoring data

Answer

To validate the integrity of backups

Answer

To schedule backup jobs

Question 3

How does an incremental backup differ from a full backup?

Accepted Answer

A full backup backs up all data, while an incremental backup backs up only the changes made since the last full backup

Answer

An incremental backup backs up all data, while a full backup backs up only the changes made since the last incremental backup

Answer

There is no difference between a full backup and an incremental backup

Answer

A full backup is faster than an incremental backup

Question 4

What is the role of a boot disk during system recovery?

Accepted Answer

To provide an operating system for the system being restored

Answer

To store the recovered data

Answer

To scan for viruses and malware

Answer

To create a new system image

Question 5

Which of the following is a primary benefit of regularly backing up computer systems?

Accepted Answer

Preserving data integrity and accessibility

Answer

Enhancing system performance

Answer

Preventing malware infections

Answer

Automating software updates

Question 6

What is the fundamental objective of a disaster recovery plan?

Accepted Answer

To establish a framework for restoring systems and data in the event of a disaster

Answer

To eliminate the possibility of system failures

Answer

To automate backup processes

Answer

To continuously monitor system health

Question 7

Which of the following recovery methods involves restoring data from an entire system image (full system state)?

Accepted Answer

Bare-metal recovery

Answer

File-level recovery

Answer

Application-aware recovery

Answer

Differential recovery

Question 8

What is the fundamental difference between synchronous and asynchronous replication?

Accepted Answer

Synchronous replication updates the target system immediately, while asynchronous replication updates it periodically

Answer

Asynchronous replication updates the target system immediately, while synchronous replication updates it periodically

Answer

Synchronous replication is faster than asynchronous replication

Answer

Asynchronous replication is more reliable than synchronous replication

Question 9

In which backup method is all data on a storage device copied at a specific point in time?

Accepted Answer

Full backup

Answer

Differential backup

Answer

Incremental backup

Answer

Log backup

Question 10

What is the main benefit of implementing the Grandfather-Father-Son (GFS) backup rotation method?

Accepted Answer

Provides multiple restore points.

Answer

Conserves storage space.

Answer

Mitigates data loss risk.

Answer

Simplifies implementation.

Question 11

Which recovery method restores the system to an earlier state using changes tracked in transaction logs?

Accepted Answer

Point-in-time recovery

Answer

Bare metal recovery

Answer

File-level recovery

Answer

System state recovery

Question 12

When selecting backup software, which factor is crucial?

Accepted Answer

Compatibility with the operating system

Answer

Cost of the software

Answer

User interface design

Answer

Availability of technical support

Question 13

In Linux, which command is used to create a compressed backup archive?

Accepted Answer

tar czf

Answer

zip czf

Answer

gzip czf

Answer

rar czf

Question 14

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

Accepted Answer

To establish the maximum acceptable data loss during recovery.

Answer

To determine the frequency of backups.

Answer

To specify the maximum recovery time.

Answer

To identify critical systems requiring backup.

Question 15

Which RAID level offers data protection by mirroring data across multiple disks?

Accepted Answer

RAID 1

Answer

RAID 0

Answer

RAID 5

Answer

RAID 10

Question 16

Which of the following backup methods involves creating a single, compressed file that includes a copy of the entire system's data?

Accepted Answer

Full backup

Answer

Incremental backup

Answer

Differential backup

Answer

Log backup

Question 17

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

Accepted Answer

To define the maximum acceptable data loss after a system failure or disaster

Answer

To identify critical system components

Answer

To determine how often to perform backups

Question 18

Which storage medium is ideal for long-term, archival backups due to its durability and high storage capacity?

Accepted Answer

Tape drive

Answer

Cloud storage

Answer

Hard disk drive

Answer

Solid-state drive

Question 19

What is a fundamental benefit of storing backups at an offsite location?

Accepted Answer

Protection against physical damage or disasters that could affect the primary backup location

Answer

Reduced backup time

Answer

Enhanced data security

Answer

Lower storage costs

Question 20

What is the main objective of a boot sector virus?

Accepted Answer

To infect the computer's master boot record and prevent the system from booting up

Answer

To steal sensitive information

Answer

To corrupt system files

Question 21

Which advantage is associated with utilizing a network-attached storage (NAS) device for backups?

Accepted Answer

Centralized storage and accessibility for multiple users

Answer

Cost-effective hardware

Answer

Faster backup speeds

Question 22

What is the primary function of a disaster recovery plan (DRP) in system recovery?

Accepted Answer

To provide a structured framework for responding to and recovering from disasters or system failures

Answer

To identify essential system components

Answer

To serve as a storage repository for backup files

Question 23

What is the fundamental objective of RAID technology in the context of system backup and recovery?

Accepted Answer

To enhance data reliability and redundancy by distributing data across multiple physical disks

Answer

To increase storage capacity

Answer

To expedite backup processes