Top 350+ Solved Data Mining and Data Warehouse MCQ Questions Answer
Q. Query tool is meant for __________.
a. data acquisition.
b. information delivery.
c. information exchange.
d. communication.
Q. Classification rules are extracted from _____________.
a. root node.
b. decision tree.
c. siblings.
d. branches.
Q. Dimensionality reduction reduces the data set size by removing ____________.
a. relevant attributes.
b. irrelevant attributes.
c. derived attributes.
d. composite attributes.
Q. ___________ is a method of incremental conceptual clustering.
a. corb
b. olap.
c. cobweb.
d. sting.
Q. Effect of one attribute value on a given class is independent of values of other attribute is called_________.
a. value independence.
b. class conditional independence.
c. conditional independence.
d. unconditional independence.
Q. The main organizational justification for implementing a data warehouse is to provide ______.
a. cheaper ways of handling transportation.
b. decision support.
c. storing large volume of data.
d. access to data.
Q. Multidimensional database is otherwise known as____________.
a. rdbms
b. dbms
c. extended rdbms
d. extended dbms
Q. Data warehouse architecture is based on ______________.
a. dbms.
b. rdbms.
c. sybase.
d. sql server.
Q. ________________ is a data transformation process.
a. comparison.
b. projection.
c. selection.
d. filtering.
Q. The technology area associated with CRM is _______________.
a. specialization.
b. generalization.
c. personalization.
d. summarization.
Q. SMP stands for _______________.
a. symmetric multiprocessor.
b. symmetric multiprogramming.
c. symmetric metaprogramming.
d. symmetric microprogramming.
Q. __________ are designed to overcome any limitations placed on the warehouse by the nature of therelational data model.
a. operational database.
b. relational database.
c. multidimensional database.
d. data repository.
Q. MDDB stands for ___________.
a. multiple data doubling.
b. multidimensional databases.
c. multiple double dimension.
d. multi-dimension doubling.