DNA REPLICATION QUIZ

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

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

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

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

RFM analysis is a BI reporting system.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

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?

RFM

OLAP

Push

Pull

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Non-integrated data

Dirty data

Missing values

Non-duplicated data

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Data metadata

Data extraction/cleaning/preparation programs

Data warehouse data

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Market basket analysis primarily uses the technique of conditional probabilities.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

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