SSC CGL Preparation – Day 5

✅ Backup Devices – MCQs

1. What is the main purpose of a backup device?
A. Increase system speed
B. Store duplicate data for recovery
C. Convert data into code
D. Delete unwanted files
✅ Answer: B. Store duplicate data for recovery

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2. Which of the following is NOT a backup device?
A. USB Flash Drive
B. SSD
C. RAM
D. External Hard Disk
✅ Answer: C. RAM

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3. Which backup device is known for its fast data access and no moving parts?
A. HDD
B. SSD
C. CD-ROM
D. Tape Drive
✅ Answer: B. SSD

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4. Cloud storage is a type of:
A. Offline backup
B. Optical backup
C. Online backup
D. Removable media backup
✅ Answer: C. Online backup

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5. Which storage medium is becoming obsolete for backups?
A. USB Drives
B. Optical Discs
C. Cloud Storage
D. SSD
✅ Answer: B. Optical Discs

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6. What is the storage capacity of a standard DVD?
A. 700 MB
B. 4.7 GB
C. 1 TB
D. 8.5 TB
✅ Answer: B. 4.7 GB

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7. Which backup method only saves the data changed since the last backup?
A. Full Backup
B. Incremental Backup
C. Differential Backup
D. Mirroring
✅ Answer: B. Incremental Backup

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8. What does NAS stand for?
A. Network Area Storage
B. Network Attached Storage
C. New Access System
D. Node Allocation System
✅ Answer: B. Network Attached Storage

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9. The 3-2-1 rule of backup suggests keeping:
A. 3 copies, 2 types of media, 1 onsite
B. 3 drives, 2 passwords, 1 firewall
C. 3 copies, 2 media types, 1 offsite copy
D. 3 backups daily, 2 weekly, 1 monthly
✅ Answer: C. 3 copies, 2 media types, 1 offsite copy

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10. Which of the following offers the highest storage capacity?
A. CD
B. USB Drive
C. External HDD
D. SD Card
✅ Answer: C. External HDD