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