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Practice Test -Data Mining

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1. E-R model uses this symbol to represent weak entity set?

Dotted rectangle
Diamond
Doubly outlined rectangle
None of these

2. Black boxes are

A. This takes only two values. In general, these values will be 0 and 1

and they can be coded as one bit.

The natural environment of a certain species
Systems that can be used without knowledge of internal operations
None of these

3. Bias is

A class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory

Any mechanism employed by a learning system to constrain the search space of a hypothesis

An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation.

None of these

4. Case-based learning is

A class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory.
Any mechanism employed by a learning system to constrain the search space of a hypothesis
An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation.
None of these

5. Algorithm is

It uses machine-learning techniques. Here program can learn from past experience and adapt themselves to new situations
Computational procedure that takes some value as input and produces some value as output
Science of making machines performs tasks that would require intelligence when performed by humans

None of these

6. Adaptive system management is

It uses machine-learning techniques. Here program can learn from past experience and adapt themselves to new situations

Computational procedure that takes some value as input and produces some value as output.

Science of making machines performs tasks that would require intelligence when performed by humans
none of these

7. Data mining is

The actual discovery phase of a knowledge discovery process
The stage of selecting the right data for a KDD process
A subject-oriented integrated time variant non-volatile collection of data in support of management
None of these

8. Adaptive system management is

It uses machine-learning techniques. Here program can learn from past experience and adapt themselves to new situations
Computational procedure that takes some value as input and produces some value as output.
Science of making machines performs tasks that would require intelligence when performed by humans
none of these

9. Task of inferring a model from labeled training data is called

Unsupervised learning

Supervised learning

Reinforcement learning
Unsupervised

10. You are given data about seismic activity in Japan, and you want to predict a magnitude of the next earthquake, this is in an example of...

Supervised learning

Unsupervised learning

Serration

Dimensionality reduction

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Data Mining

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RERA Exam Eligibility, Syllabus, Pattern and Exam Preparation

RERA Exam Eligibility, Syllabus, Pattern and Exam Preparation knowledge is crutial for candidates appearing for RERA Agent Exam....