Lakshya Education MCQs

Question: Data mining applications are used accomplish which of the following tasks?
A.Process transactions only
B.Do RFM analysis only
C.Do what-if analysis only
D.Do both RFM and what-if analysis
Answer: Option C

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More Questions on This Topic :

Question 1. Which of the following is an unsupervised data mining technique?
  1.    Cluster analysis only
  2.    Regression Analysis only
  3.    RFM Analysis only
  4.    Both Regression Analysis and RFM Analysis
Answer: Option A
Question 2. In OLAP, we are interested in ________ .
  1.    levels only
  2.    dimensions only
  3.    measures only
  4.    measures and dimensions
Answer: Option D
Question 3. Which of the following is not a reason that operational data are difficult to read?
  1.    Non-duplicated data
  2.    Dirty data
  3.    Missing values
  4.    Non-integrated data
Answer: Option A
Question 4. The reports generated by a reporting system are usually not delivered in which of the following media?
  1.    Web portal
  2.    Commercial courier service
  3.    Digital dashboard
  4.    E-Mail
Answer: Option B
Question 5. We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .
  1.    dirty data
  2.    inconsistent data
  3.    non-integrated data
  4.    a "wrong format" problem
Answer: Option C
Question 6. Business Intelligence (BI) reporting analyses can be performed using ________ .
  1.    standard SQL only
  2.    extensions to SQL only
  3.    OLAP only
  4.    both standard SQL and extensions to SQL
Answer: Option A

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