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MCQs

Total Questions : 64 | Page 1 of 7 pages
Question 1. A BI reporting system does not ________ .
  1.    create meaningful information
  2.    deliver information to users on a timely basis
  3.    use statistical procedures to predict future events
  4.    use disparate data sources
 Discuss Question
Answer: Option C. -> use statistical procedures to predict future events
Question 2. Which of the following are not done by Business Intelligence (BI) systems?
  1.    Analyze past and current activities only
  2.    Process and record transactions only
  3.    Both of the above are correct.
  4.    Neither of the above is correct.
 Discuss Question
Answer: Option B. -> Process and record transactions only
Question 3. Business Intelligence (BI) systems do not obtain their data by which of the following means?
  1.    Read and process data from an operational database
  2.    Process transactions
  3.    Process extracts from operational databases
  4.    Process data purchased from data vendors
 Discuss Question
Answer: Option B. -> Process transactions
Question 4. The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
  1.    Dirty data
  2.    Inconsistent data
  3.    Too much data
  4.    Non-integrated data
 Discuss Question
Answer: Option C. -> Too much data
Question 5. A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?
  1.    Push
  2.    Pull
  3.    RFM
  4.    OLAP
 Discuss Question
Answer: Option B. -> Pull
Question 6. RFM analysis uses customer's purchasing patterns to ________ .
  1.    record transactions
  2.    analyze and rank customers
  3.    predict future sales using regression techniques
  4.    perform OLAP
 Discuss Question
Answer: Option B. -> analyze and rank customers
Question 7. The "F" in RFM analysis stands for ________ .
  1.    frequently
  2.    freshness
  3.    fast food
  4.    fantasy
 Discuss Question
Answer: Option A. -> frequently
Question 8. Business Intelligence (BI) reporting systems cannot do which of the following operations?
  1.    Filter data
  2.    Group data
  3.    Modify data
  4.    Both filter and group data
 Discuss Question
Answer: Option C. -> Modify data
Question 9. We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ .
  1.    the basic probability
  2.    support
  3.    lift
  4.    confidence
 Discuss Question
Answer: Option B. -> support
Question 10. Which of the following is not a component of a data warehouse?
  1.    Data extraction/cleaning/preparation programs
  2.    Data warehouse data
  3.    Data metadata
  4.    None of the above are data warehouse components.
 Discuss Question
Answer: Option C. -> Data metadata

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