1What is the Hadoop Distributed File System (HDFS) designed to handle? unstructu

Question

1What is the Hadoop Distributed File System (HDFS) designed to handle?

unstructured and semistructured relational data

unstructured and semistructured non-relational data

structured and semistructured relational data

structured and semistructured non-relational data

All of the above

2Which of the following is a disadvantage of outsourcing business analytics?

New knowledge

Loss of control

Risk of information

All of the above

None of the above

3All of the following statements about social networks are true EXCEPT

Question 35 options:

it is possible to gain insights into how products go viral.

companies should invest equally to retain all members of a group.

members of a group are affected by the behavior of others in the group.

a group with all interconnected individuals is called a clique.

None of the above

4 All of the following statements about MapReduce are true EXCEPT:

MapReduce is a general-purpose execution engine.

MapReduce handles the complexities of network communication.

MapReduce handles parallel programming.

MapReduce runs without fault tolerance.

None of the above

5. How does Hadoop work?

It integrates Big Data into a whole so large data elements can be processed as a whole on one computer.

It integrates Big Data into a whole so large data elements can be processed as a whole on multiple computers.

It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on one computer.

It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on multiple computers.

6. Which of the following is a type of information obtainable with data mining technology?

Forecasting

Sequences

Classification

All of the above

None of the above

unstructured and semistructured relational data

unstructured and semistructured non-relational data

structured and semistructured relational data

structured and semistructured non-relational data

All of the above

2Which of the following is a disadvantage of outsourcing business analytics?

New knowledge

Loss of control

Risk of information

All of the above

None of the above

Explanation / Answer

1)
structured and semistructured relational data

***** Hadoop deals with database with relations.. Datatabse without relations doesnt make complex to handle data... So if database
is relational then data becomes more oomplex and need Hadoop. *******

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2)
Risk of Information.

**** With outsourcing data , the clients are not clear about themselves, always there is an
involving risk of information.*****

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3)
companies should invest equally to retain all members of a group.

***** They are not onveste equally, it depends upon popularity. ****

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4)
MapReduce runs without fault tolerance.

***** They have fault tolerance ********
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5)
It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on multiple computers.

************ Handling heavy data as simpler as possible, this is purpose of Hadoop *****

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6)
All of the above

**** We can forecase data, maintain sequences and classfication of data accorsing to their
physical nature or something can be done ****

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