Top 250+ Solved Data Mining and Business Intelligence MCQ Questions Answer
Q. ________ Databases are owned by particular departments or business groups.
a. Informational
b. Operational
c. Both informational and operational
d. Flat
Q. The time horizon in operational environment is ________.
a. 30-60 days
b. 60-90 days
c. 90-120 days
d. 120-150 days
Q. The key used in operational environment may not have an element of _________.
a. Time
b. Cost
c. Frequency
d. Quality
Q. Data can be updated in ______ environment.
a. Data warehouse
b. Data mining
c. Operational
d. Informational
Q. The source of all data warehouse data is the__________.
a. Operational environment
b. Informal environment
c. Formal environment
d. Technology environment
Q. Data warehouse contains ______data that is never found in the operational environment.
a. Normalized
b. Informational
c. Summary
d. Denormalized
Q. The modern CASE tools belong to_________category.
a. Analysis
b. Development
c. Coding
d. Delivery
Q. Bill Inmon has estimated___________of the time required to build a datawarehouse, is consumed in the conversion process.
a. 10 percent
b. 20 percent
c. 30 percent
d. 40 percent
Q. Investment analysis used in neural networks is to predict the movement of_________fromprevious data.
a. Engines
b. Stock
c. Patterns
d. Models
Q. SOMs are used to cluster a specific dataset containing information about the patient’sdrugs etc.
a. Physical
b. Logical
c. Medical
d. Technical
Q. GA stands for ____ .
a. Genetic algorithm
b. Gene algorithm
c. General algorithm
d. Geo algorithm
Q. Genetic algorithms are search algorithms based on the mechanics of natural .
a. Systems
b. Genetics
c. Logistics
d. Statistics