Data Mining and Data Warehouse MCQs | Page - 5
Dear candidates you will find MCQ questions of Data Mining and Data Warehouse here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. _______________ is the goal of data mining.
✅ Correct Answer: (A)
to explain some observed event or condition.
Q. Business Intelligence and data warehousing is used for ________.
✅ Correct Answer: (D)
all of the above.
Q. The data administration subsystem helps you perform all of the following, except__________.
✅ Correct Answer: (D)
create, change, and delete information.
Q. The most common source of change data in refreshing a data warehouse is _______.
✅ Correct Answer: (A)
queryable change data.
Q. ________ are responsible for running queries and reports against data warehouse tables.
✅ Correct Answer: (C)
end users.
Q. Classification rules are extracted from _____________.
✅ Correct Answer: (B)
decision tree.
Q. Dimensionality reduction reduces the data set size by removing ____________.
✅ Correct Answer: (B)
irrelevant attributes.
Q. ___________ is a method of incremental conceptual clustering.
✅ Correct Answer: (C)
cobweb.
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