Data Mining and Business Intelligence MCQs with answers Page - 2

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

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A

Admin • 833.24K Points
Coach

Q. ___________defines the structure of the data held in operational databases and used by operational applications.

  • (A) User-level metadata
  • (B) Data warehouse metadata
  • (C) Operational metadata
  • (D) Data mining metadata

A

Admin • 833.24K Points
Coach

Q. _________is held in the catalog of the warehouse database system.

  • (A) Application level metadata
  • (B) Algorithmic level metadata
  • (C) Departmental level metadata
  • (D) Core warehouse metadata

A

Admin • 833.24K Points
Coach

Q. __________maps the core warehouse metadata to business concepts, familiar and useful to end users.

  • (A) Application level metadata
  • (B) User level metadata
  • (C) Enduser level metadata
  • (D) Core level metadata

A

Admin • 833.24K Points
Coach

Q. ____________ consists of formal definitions, such as a COBOL layout or a database schema.

  • (A) Classical metadata
  • (B) Transformation metadata
  • (C) Historical metadata
  • (D) Structural metadata

A

Admin • 833.24K Points
Coach

Q. ________consists of information in the enterprise that is not in classical form.

  • (A) Mushy metadata
  • (B) Differential metadata
  • (C) Data warehouse
  • (D) Data mining

A

Admin • 833.24K Points
Coach

Q. ________ Databases are owned by particular departments or business groups.

  • (A) Informational
  • (B) Operational
  • (C) Both informational and operational
  • (D) Flat

A

Admin • 833.24K Points
Coach

Q. The star schema is composed of __________ fact table.

  • (A) one
  • (B) Two
  • (C) Three
  • (D) four

A

Admin • 833.24K Points
Coach

Q. The time horizon in operational environment is ________.

  • (A) 30-60 days
  • (B) 60-90 days
  • (C) 90-120 days
  • (D) 120-150 days

A

Admin • 833.24K Points
Coach

Q. The key used in operational environment may not have an element of _________.

  • (A) Time
  • (B) Cost
  • (C) Frequency
  • (D) Quality

A

Admin • 833.24K Points
Coach

Q. Data can be updated in ______ environment.

  • (A) Data warehouse
  • (B) Data mining
  • (C) Operational
  • (D) Informational

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