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CSE - Practice Test -65

Q1:

Data mining is _________________________________________________.
 

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Q2:

What is Database Transaction ?
 

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Q3:

Which of the following fields below typically make use of Data Mining techniques?
 

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Q4:

A________ technique is to reduce the redundancies in data representation in order to decrease data storage requirements.
 

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Q5:

Which one of the following is not a data mining task?
 

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Q6:

The operation of moving from coarser granuality data to finer granuality is called ___________________.
 

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Q7:

Which of the following is not a data component in a Data warehouse ?
 

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Q8:

It is because of ________________ that enables OLAP to achieve great performance for a query.
 

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Q9:

What is the source of the OLAP cube’s metadata?
 

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Q10:

The data is stored, retrieved & updated in ____________.
 

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Q11:

Classification is __________________________.
 

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Q12:

Tree/Rule based classification algorithm generate rule to perform the classification ______________________.
 

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Q13:

Why is correlation analysis important?

 

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Q14:

Incorrect or invalid data is known as _______________________.
 

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Q15:

What is the approach of basic algorithm for decision tree induction?
 

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Q16:

Clustering is known as______________________. 
 

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Q17:

Hierarchical, Partitioning, Grid-based and density based methods are the methods of _____________________.
 

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Q18:

A good clustering method will produce high quality clusters with ____________________________.
 

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Q19:

What does K refers in the K- means algorithm which is non-hierarchial clustering approach?
 

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Q20:

_________treat each data as a singleton cluster at the outset and then successively agglomerates pairs of clusters until all clusters have been merged into a single cluster that contains all data. 
 

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Q21:

Web mining - is the application of _______
 

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Q22:

________ refers to the process of deriving high quality information from text.
 

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Q23:

Which is not a part of text mining process ?
 

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Q24:

Which is not a part of text mining process?
 

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Q25:

 Apache, Page rank and Scrapy are tools for __________________.
 

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