Multiple choice Questions and Answers on Cloud Backup Features of Cloud Computing for Freshers

1. If you have a local version of a file, then a version of that file stored in the cloud conforms to all three of the ______ backup rules.

a) 3-2-1
b) One-two-three
c) 1-2-3
d) All of the mentioned

Answer: c

Explanation: Peter Krogh’s 3-2-1 Rule for data protection is a good one to follow.
2. Point out the correct statement:

a) Replication creates a copy of the data which is not synchronized
b) An archive removes older information that is no longer operational and saves it for long-term storage
c) Reverse delta backup allows a system to do what is referred to as a bare metal restore
d) All of the mentioned

Answer: b

Explanation: A backup creates a copy of the data whereas an archive removes older information.
3. Which of the following is first rule according to 3-2-1 Backup Rule by Peter Krogh ?

a) Retain three copies of any file—an original and two backups
b) Files must be on two different media types
c) One copy must be stored offsite
d) All of the mentioned

Answer: c

Explanation: Files must be on two different media types such as hard drives and optical media to protect against different types of hazards.
4. Which of the following is incorrect feature of cloud storage backup solution ?

a) Logon authentication
b) Low Encryption
c) Fast backup
d) None of the mentioned

Answer: b

Explanation: High Encryption is provided by Cloud Backup Storage.
5. Point out the wrong statement:

a) In a differential backup, the backup software can obtain the up-to-date backup from the last full backup and the last incremental backup alone
b) Incremental backup analyzes the transactions that are in progress
c) A cloud storage system contains a certain built-in latency, so unless the original data set is quiescent, the mirror lags behind the original in concurrency
d) None of the mentioned

Answer: b

Explanation: An open file backup analyzes the transactions that are in progress.
6. Which of the following is most important feature of cloud storage listed below ?

a) Logon authentication
b) Bare file
c) Multiplatform support

Answer: a

Explanation: The interactive logon process is the first step in user authentication and authorization.
7. How many bits of encryption is at least required for cloud backup storage solution ?

a) 56
b) 84
c) 128
d) None of the mentioned

Answer: c

Explanation: High encryption of data transfers is carried out preferably end-to-end, but at least for the data that is transferred over the Internet.
8. Which of the following is the most important client to back up in the cloud ?

a) Windows
b) Mac
c) Linux
d) All of the mentioned

Answer: d

Explanation: Cloud storage solution should have multiplatform support.
9. Which of the following service does not support backup on Linux platform ?

a) Backblaze
b) Crashplan
c) Datapreserve
d) ADrive

Answer: a

Explanation: Data backed up to the cloud cannot be viewed without adequate safeguards or restrictions due to legal regulations.
10. Which of the following is least important feature of cloud storage listed below ?

a) Multisite storage or replication
b) 24×7 technical support
c) Data versioning
d) All of the mentioned

Answer: a

Explanation: Data versioning has ability to retrieve historical versions of files from different backups.

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