True Or False

Question 1 :

Business Intelligence (BI) systems do not obtain data from operational databases.


A). True
B). False
Answer : Option B

Question 2 :

Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.


A). True
B). False
Answer : Option B

Question 3 :

A data warehouse is a database system that is optimized for operational transaction processing.


A). True
B). False
Answer : Option B

Question 4 :

Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing.


A). True
B). False
Answer : Option B

Question 5 :

Most operational databases can be used for many BI applications.


A). True
B). False
Answer : Option B

Question 6 :

The data warehouse DBMS needs to be the same DBMS used for the operational database.


A). True
B). False
Answer : Option B

Question 7 :

RFM analysis is a BI reporting system.


A). True
B). False
Answer : Option A

Question 8 :

In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group.


A). True
B). False
Answer : Option A

Question 9 :

Report types include static, dynamic, query and OLAP.


A). True
B). False
Answer : Option A

Question 10 :

OLAP uses measures, dimensions and associations.


A). True
B). False
Answer : Option B

Question 11 :

In unsupervised data mining, explanations are created after patterns are found.


A). True
B). False
Answer : Option A

Question 12 :

The delivery function of a report management system allows reports to be delivered via e-mail, via the Web, via XML Web services, via hand delivery and other delivery means.


A). True
B). False
Answer : Option B

Question 13 :

BI reporting systems summarize the current status of business activities in order to predict future activities.


A). True
B). False
Answer : Option B

Question 14 :

Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.


A). True
B). False
Answer : Option B

Question 15 :

The term neural networks as used in data mining is a misnomer.


A). True
B). False
Answer : Option A

Question 16 :

Formatting the report is part of authoring a report.


A). True
B). False
Answer : Option A

Question 17 :

Market basket analysis primarily uses the technique of conditional probabilities.


A). True
B). False
Answer : Option B

Question 18 :

A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.


A). True
B). False
Answer : Option B

Question 19 :

OnLine Analytical Processing (OLAP) is a BI reporting system.


A). True
B). False
Answer : Option A

Question 20 :

Data warehouse data are usually normalized.


A). True
B). False
Answer : Option B