Top 250+ Solved Data Mining and Business Intelligence MCQ Questions Answer
Q. Discovery of cross-sales opportunities is called _________.
a. Segmentation
b. Visualization
c. Correction
d. Association
Q. Data marts that incorporate data mining tools to extract sets of data are called_________.
a. Independent data mart
b. Dependent data marts
c. Intra-entry data mart
d. Inter-entry data mart
Q. __________can generate programs itself, enabling it to carry out new tasks.
a. Automated system
b. Decision making system
c. Self-learning system
d. Productivity system
Q. Building the informational database is done with the help of ___________.
a. Transformation or propagation tools
b. Transformation tools only
c. Propagation tools only
d. Extraction tools
Q. Which of the following is not a component of a data warehouse?
a. Metadata
b. Current detail data
c. Lightly summarized data
d. Component Key
Q. ___________is data that is distilled from the low level of detail found at the current detailedleve.
a. Highly summarized data
b. Lightly summarized data
c. Metadata
d. Older detail data
Q. Highly summarized data is __________.
a. Compact and easily accessible
b. Compact and expensive
c. Compact and hardly accessible
d. Compact
Q. A directory to help the DSS analyst locate the contents of the data warehouse isseen in__________.
a. Current detail data
b. Lightly summarized data
c. Metadata
d. Older detail data
Q. Metadata contains at least__________.
a. The structure of the data
b. The algorithms used for summarization
c. The mapping from the operational environment to the data warehouse
d. All of the above
Q. Which of the following is not a old detail storage medium?
a. Phot Optical Storage
b. RAID
c. Microfinche
d. Pen drive
Q. The data from the operational environment enter_____________of data warehouse.
a. Current detail data
b. Older detail data
c. Lightly summarized data
d. Highly summarized data
Q. The data in current detail level resides till__________event occurs.
a. Purge
b. Summarization
c. Archieve
d. D All of the above