Question 1 of 25
Hints left: 3
Q1
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
Q2
The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
Q3
XML Schemas are XML documents.
Q4
XML uses the same terms with the same meanings as terms in the database world.
Q5
With XML, document structure, content and format are all defined within one document.
Q6
Business Intelligence (BI) systems do not obtain their data by which of the following means?
Q7
Which of the following is an unsupervised data mining technique?
Q8
Stylesheets are used by XSLT to indicate how to transform the elements of the XML document into another format.
Q9
In OLAP, we are interested in ________ .
Q10
The reports generated by a reporting system are usually not delivered in which of the following media?
Q11
One popular classification technique in Business Intelligence (BI) reporting is ________ .
Q12
Business Intelligence (BI) reporting analyses can be performed using ________ .
Q13
Datasets which reside on the user's hard drive are created by ADO.NET to facilitate the transformation of XML documents to and from relational database constructs.
Q14
Business Intelligence (BI) reporting systems cannot do which of the following operations?
Q15
Which of the following are not done by Business Intelligence (BI) systems?
Q16
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 ________ .
Q17
RFM analysis uses customer's purchasing patterns to ________ .
Q18
The "F" in RFM analysis stands for ________ .
Q19
Schemas consist of properties and methods
Q20
Which of the following is not a component of a data warehouse?
Q21
Data mining applications are used accomplish which of the following tasks?
Q22
A BI reporting system does not ________ .
Q23
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 ________ .
Q24
Which of the following is not a reason that operational data are difficult to read?
Q25
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?