BI-exam 2-Big data analytics

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MapReduce runs without fault tolerance

All of the following statements about MapReduce are true EXCEPT

true

Big Data is being driven by the exponential growth, availability, and use of information.

the largest computer and IT services firms.

Companies with the largest revenues from Big Data tend to be

variability

Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called?

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

How does Hadoop work?

secondary node

In a Hadoop "stack," what node periodically replicates and stores data from the Name Node should it fail?

the variety and complexity of data.

Traditional data warehouses have not been able to keep up with

an increasingly challenging task for today's enterprises.

Using data to understand customers/clients and business operations to sustain and foster growth and profitability is

unstructured and semistructured non-relational data

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

RFID tags

Which of the following sources is likely to produce Big Data the fastest?


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