- 1. Data storage refers to the process of storing, organizing, and managing data in a secure and efficient manner. It involves the use of various technologies and methods to store data, such as databases, data warehouses, and cloud storage. Data storage is essential for businesses and individuals to store and access their information effectively. It involves considerations such as data retention policies, data security measures, and backup procedures to ensure data integrity and availability. Proper data storage practices can help organizations streamline their operations, make data-driven decisions, and comply with data protection regulations.
Which of the following is a type of non-volatile memory?
A) Cache memory
B) RAM
C) Flash memory
D) Registers
- 2. What does 'SSD' stand for in the context of data storage?
A) Single Storage Directory
B) System Software Device
C) Storage Speed Drive
D) Solid State Drive
- 3. What is the purpose of RAID in data storage?
A) Network partitioning
B) Data compression
C) Data redundancy and performance improvement
D) File encryption
- 4. Which storage technology is known for its durability and longevity?
A) Magnetic tape
B) Floppy disk
C) Optical storage
D) Tape storage
- 5. What does 'NAS' stand for in the context of data storage?
A) New Age Storage
B) Non-volatile Access System
C) Network Access Server
D) Network Attached Storage
- 6. What is the maximum storage capacity of a DVD disc?
A) 700 Megabytes
B) 25 Gigabytes
C) 100 Gigabytes
D) 4.7 Gigabytes
- 7. What is the purpose of a magnetic stripe on a credit or debit card?
A) Store information for electronic transactions
B) Protect against identity theft
C) Enhance card appearance
D) Improve card durability
- 8. Which of the following represents the smallest unit of data in a computer system?
A) Megabyte
B) Byte
C) Bit
D) Kilobyte
- 9. Which of the following is an example of volatile memory?
A) Hard disk drive
B) RAM
C) SSD
D) CD-ROM
- 10. What is the role of a data storage administrator in an organization?
A) Develop software applications
B) Ensure physical security of the office premises
C) Handle customer support inquiries
D) Manage and optimize data storage systems
- 11. What is the purpose of a hard disk drive spindle in data storage?
A) Encrypt all stored data
B) Store file metadata
C) Spin the disks to read and write data
D) Generate backup copies automatically
- 12. What is the primary function of an optical disc drive in a computer system?
A) Manage network connections
B) Read and write data from optical discs
C) Store data in cache memory
D) Display graphics on the screen
- 13. What is the purpose of a power supply unit in a data storage system?
A) Secure data against cyber threats
B) Enhance data transfer speed
C) Convert AC power to DC power for components
D) Maintain temperature within optimal range
- 14. Which is a commonly used interface for connecting external storage devices?
A) VGA
B) Ethernet
C) USB
D) HDMI
- 15. Which RAID level provides both data striping and mirroring for redundancy?
A) RAID 0
B) RAID 10
C) RAID 1
D) RAID 5
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