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