Q.no 1. Postpruning is
A : Removing branches from fully grown tree
B : Stop constructing tree if this would result in the measure falling below a threshold
C : construting a new tree
D : Flow-Chart
Answer for Question No 1. is a
Q.no 2. If two documents are similar, then what is the measure of angle between two documents?
A : 30
B : 60
C : 90
D : 0
Answer for Question No 2. is d
Q.no 3. CART stands for
A : Regression
B : Classification
C : Classification and Regression Trees
D : Decision Trees
Answer for Question No 3. is c
Q.no 4. The first steps involved in the knowledge discovery is?
A : Data Integration
B : Data Selection
C : Data Transformation
D : Data Cleaning
Answer for Question No 4. is d
Q.no 5. These are the intermediate servers that stand in between a relational
back-end server and client front-end tools
A : ROLAP
B : MOLAP
C : HOLAP
D : HaoLap
Answer for Question No 5. is a
Q.no 6. sensitivity is also known as
A : false rate
B : recall
C : negative rate
D : recognition rate
Answer for Question No 6. is b
Q.no 7. Which of the following is not a type of constraints?
A : Data constraints
B : Rule constraints
C : Knowledge type constraints
D : Time constraints
Answer for Question No 7. is d
Q.no 8. Baysian classification in based on
A : probability for the hypothesis
B : Support
C : tree induction
D : Trees
Answer for Question No 8. is a
Q.no 9. Which one of the following is true for decision tree
A : Decision tree is useful in decision making
B : Decision tree is similar to OLTP
C : Decision Tree is similar to cluster analysis
D : Decision tree needs to find probabilities of hypothesis
Answer for Question No 9. is a
Q.no 10. Hidden knowledge referred to
A : A set of databases from different vendors, possibly using different database
paradigms
B : An approach to a problem that is not guaranteed to work but performs well in most
cases
C : Information that is hidden in a database and that cannot be recovered by a simple
SQL query
D : None of these
Answer for Question No 10. is c
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