Cloud Computing Questions and Answers – Backup Types

This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on “Backup Types”.

1. Which of the following flag is used by backup software to specify whether a file should be backed up or not?
a) archive bit
b) passive bit
c) active bit
d) all of the mentioned
View Answer

Answer: a
Explanation: The bit is set on for backup and cleared when backup has copied the file.

2. Point out the correct statement.
a) To create an image backup of an active system, you may need to stop all application
b) To create an incremental backup of an active system, you may need to stop all applications
c) Differential backup allows a system to do what is referred to as a bare metal restore
d) All of the mentioned
View Answer

Answer: a
Explanation: Full System backup is also referred to as image backup.

3. Which of the following backups are faster and more efficient from a storage perspective?
a) Point-in-time
b) Incremental
c) Reverse Delta backup
d) All of the mentioned
View Answer

Answer: b
Explanation: Files in intervening incremental backups may be taken as temporary or scratch versions.

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4. Which of the following backups creates a full backup first and then periodically synchronizes the full copy with the live version?
a) Continuous Data Protection
b) Open file backup
c) Reverse Delta backup
d) None of the mentioned
View Answer

Answer: c
Explanation: The older versions of files that have been changed are archived so that a historical record of the backup exists.

5. Point out the wrong statement.
a) To scale out, the service must allow for stored data to span additional storage systems
b) The data is backed up, and then every so often changes are amended to the backup creating is referred to as an incremental backup
c) A differential backup is related to a full system backup
d) None of the mentioned
View Answer

Answer: c
Explanation: A differential backup is related to an incremental backup.

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6. Which of the following backup is used by Apple’s Time Machine?
a) Continuous Data Protection
b) Open file backup
c) Reverse Delta backup
d) Mirroring
View Answer

Answer: c
Explanation: Software that uses reverse delta backup system is Apple’s Time Machine and the RDIFF-BACKUP utility.

7. Which of the following backup create a cloned copy of your current data or drive?
a) Continuous Data Protection
b) Open file backup
c) Reverse Delta backup
d) None of the mentioned
View Answer

Answer: a
Explanation: CDP is also referred to as mirroring.

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8. Which of the following backup systems are expensive and highly customized to a particular application such as SQL Server?
a) Continuous Data Protection
b) Open file backup
c) Reverse Delta backup
d) Data archival
View Answer

Answer: b
Explanation: Some applications such as database systems and messaging systems are mission critical and cannot be shut down before being backed up.

9. Which of the following is useful for legal compliance or to provide a long-term historical record?
a) Continuous Data Protection
b) Open file backup
c) Reverse Delta backup
d) Data archival
View Answer

Answer: d
Explanation: Data archives are often confused with backups.

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10. Which of the following is used to specify the migration of data that is no longer in use to tertiary long-term data storage for retention?
a) replicating
b) scaling
c) archiving
d) all of the mentioned
View Answer

Answer: c
Explanation: You can’t restore your current data set from an archive.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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