Data Mining and Data Warehouse MCQs with answers Page - 14

Here, you will find a collection of MCQ questions on Data Mining and Data Warehouse. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 828.03K Points
Coach

Q. The ____________ of data could result in the disclosure of information that is deemed to be confidential.

  • (A) authorized use.
  • (B) unauthorized use.
  • (C) authenticated use.
  • (D) unauthenticated use.

A

Admin • 828.03K Points
Coach

Q. ___________ data are noisy and have many missing attribute values.

  • (A) preprocessed.
  • (B) cleaned.
  • (C) real-world.
  • (D) transformed.

A

Admin • 828.03K Points
Coach

Q. The rise of DBMS occurred in early ___________.

  • (A) 1950s.
  • (B) 1960s
  • (C) 1970s
  • (D) 1980s.

A

Admin • 828.03K Points
Coach

Q. SQL stand for _________.

  • (A) standard query language.
  • (B) structured query language.
  • (C) standard quick list.
  • (D) structured query list.

A

Admin • 828.03K Points
Coach

Q. Which of the following is not a data mining metric?

  • (A) space complexity.
  • (B) time complexity.
  • (C) roi.
  • (D) all of the above.

A

Admin • 828.03K Points
Coach

Q. Reducing the number of attributes to solve the high dimensionality problem is called as ________.

  • (A) dimensionality curse.
  • (B) dimensionality reduction.
  • (C) cleaning.
  • (D) overfitting.

A

Admin • 828.03K Points
Coach

Q. Data that are not of interest to the data mining task is called as ______.

  • (A) missing data.
  • (B) changing data.
  • (C) irrelevant data.
  • (D) noisy data.

A

Admin • 828.03K Points
Coach

Q. ______ are effective tools to attack the scalability problem.

  • (A) sampling.
  • (B) parallelization
  • (C) both a & b.
  • (D) none of the above.

A

Admin • 828.03K Points
Coach

Q. Market-basket problem was formulated by __________.

  • (A) agrawal et al.
  • (B) steve et al.
  • (C) toda et al.
  • (D) simon et al.

A

Admin • 828.03K Points
Coach

Q. Data mining helps in __________.

  • (A) inventory management.
  • (B) sales promotion strategies.
  • (C) marketing strategies.
  • (D) all of the above.

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.