Data Warehousing (CS614) Virtual University MCQS

Data Warehousing (CS614) Virtual University MCQS . CS614 final term solved papers by moaaz. CS614 MIDterm solved papers by moaaz

Q: __________ is an application of information and data.?

A. Knowledge
B. Intelligence
C. Power
D. Education


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Q: Analytical processing uses __________ , instead of record level access.?

A. multi-level aggregates
B. Single-level aggregates
C. Single-level hierarchy
D. None of the Given


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Q: Data mining is a/an __________ approach, where browsing through data using data mining techniques may reveal something that might be of interest to the user as information that was unknown previously.?

A. Non-Exploratory
B. Exploratory
C. Computer Science
D. None of the given


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Q: __________ is the technique in which existing heterogeneous segments are reshuffled, relocated into homogeneous segments.?

A. Clustering
B. Aggregation
C. Segmentation
D. Partitioning


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Q: The input to the data warehouse can come from OLTP or transactional system but not from other third party database.?

A. true
B. false
C.
D.


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Q: In contrast to statistics, data mining is ______ driven.?

A. Assumption
B. Knowledge
C. Human
D. Database


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Q: __________, if too big and does not fit into memory, will be expensive when used to find a record by given key.?

A. An Inverted Index
B. A Sparse Index
C. A Dense Index
D. None of the given


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Q: Many data warehouse project teams waste enormous amounts of time searching in vain for a ____________.?

A. Silver Bullet
B. Golden Bullet
C. Suitable Hardware
D. Compatible Product


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Q: As opposed to the outcome of classification, estimation deal with __________ valued outcome.?

A. Discrete
B. Isolated
C. Continuous
D. Distinct


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Q: People that design and build the data warehouse must be capable of working across the organization at all levels?

A. True
B. False
C.
D.


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