Backup and Disaster Recovery

This set of SAN multiple choice questions and answers focuses on Backup and Recovery.

1. The purpose of backup is:
a) To restore a computer to an operational state following a disaster
b) To restore small numbers of files after they have been accidentally deleted
c) To restore one among many version of the same file for multiple backup environment
d) All of the mentioned

2. Backup of the source data can be created
a) On the same device
b) On another device
c) At some other location
d) All of the mentioned

3. Which of the following backup technique is most space efficient?
a) Full backup
b) Incremental backup
c) Differential backup
d) All of the mentioned

4. Which of the following statements are true?
a) Data can be recovered fastest in online backup
b) Tape library is an example of nearline storage
c) Data recovery can take hours for offline backup
d) All of the mentioned

5. Which of the following qualifies as best DR (Disaster Recovery) site?
a) DR site in the same campus
b) DR site in the same city
c) DR site in the same country
d) DR site in a different country

6. Which of the following techniques can be used for optimizing backed up data space?
a) Encryption and Deduplication
b) Compression and Deduplication
c) Authentication and Deduplication
d) Deduplication only

7. To decide on a backup strategy for your organization, which of the following should you consider?
a) RPO (Recovery Point Objective)
b) RTO (Recovery Time Objective)
c) Both RPO & RTO
d) None of the mentioned

8. Which of the following can be used for reducing recovery time?
a) Automatic failover
b) By taking backup on a faster device
c) Taking multiple backups – one in same location, another at different location
d) All of the mentioned

9. Which of the following is false?
a) The more important the data, the greater the need for backing it up
b) A backup is as useful as its associated restore strategy
c) Storing the backup copy near to its original site is best strategy
d) Automated backup and scheduling is preferred over manual operations

10. Which of the following is Backup software?
a) Amanda
b) Bacula
c) IBM Tivoli Storage Manager
d) All of the mentioned