Database Management System (DBMS) MCQs with answers Page - 81

Here, you will find a collection of MCQ questions on Database Management System (DBMS). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Admin • 833.24K Points
Coach

Q. Encryption of small values, such as identifiers or names, is made complicated by the possibility of

  • (A) dictionary attacks
  • (B) database attacks
  • (C) minor attacks
  • (D) random attacks

A

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Q. Which one of the following uses a 128bit round key to encrypt the data using XOR and use it in reverse to decrypt it?

  • (A) round key algorithm
  • (B) public key algorithm
  • (C) advanced encryption standard
  • (D) asymmetric key algorithm

A

Admin • 833.24K Points
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Q. Which of the following requires no password travel across the internet?

  • (A) readable system
  • (B) manipulation system
  • (C) challenge–response system
  • (D) response system

A

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Q. The is the fastest and most costly form of storage, which is relatively small; its use is managed by the computer system hardware.

  • (A) cache
  • (B) disk
  • (C) main memory
  • (D) flash memory

A

Admin • 833.24K Points
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Q. Which of the following stores several gigabytes of data but usually lost when power failure?

  • (A) flash memory
  • (B) disk
  • (C) main memory
  • (D) secondary memory

A

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Q. The flash memory storage used are

  • (A) nor flash
  • (B) or flash
  • (C) and flash
  • (D) all of the mentioned

A

Admin • 833.24K Points
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Q. Which of the following is the oldest database model?

  • (A) relational
  • (B) hierarchical
  • (C) physical
  • (D) network

A

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Q. The surface area of a tape is the surface area of a disk.

  • (A) much lesser than
  • (B) much larger than
  • (C) equal to
  • (D) none of the mentioned

A

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Q. Which one of the following is not a secondary storage?

  • (A) magnetic disks
  • (B) magnetic tapes
  • (C) ram
  • (D) none of the mentioned

A

Admin • 833.24K Points
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Q. Which level of RAID refers to disk mirroring with block striping?

  • (A) raid level 1
  • (B) raid level 2
  • (C) raid level 0
  • (D) raid level 3

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