BHAKTI MOVEMENT QUIZ

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?

Push

Pull

RFM

OLAP

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a component of a data warehouse?

None of these

Data warehouse data

Data metadata

Data extraction/cleaning/preparation programs

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a reason that operational data are difficult to read?

Missing values

Dirty data

Non-integrated data

Non-duplicated data

TRUE ANSWER : ?
YOUR ANSWER : ?

Most operational databases can be used for many BI applications.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an unsupervised data mining technique?

Both Regression Analysis and RFM Analysis

RFM Analysis only

Cluster analysis only

Regression Analysis only

TRUE ANSWER : ?
YOUR ANSWER : ?

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

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

RFM analysis uses customer's purchasing patterns to ________ .

predict future sales using regression techniques

perform OLAP

record transactions

analyze and rank customers

TRUE ANSWER : ?
YOUR ANSWER : ?

Data warehouse data are usually normalized.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Business Intelligence (BI) reporting systems cannot do which of the following operations?

Modify data

Both filter and group data

Group data

Filter data

TRUE ANSWER : ?
YOUR ANSWER : ?

Business Intelligence (BI) systems do not obtain their data by which of the following means?

Process transactions

Process extracts from operational databases

Process data purchased from data vendors

Read and process data from an operational database

TRUE ANSWER : ?
YOUR ANSWER : ?

↑