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Exam 13: Big Data and Analytics

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Question 31

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________ refers to the conformity to facts: accuracy, quality, truthfulness, or trustworthiness of the data.

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Question 32

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Why are some portions of tape backup workloads being redirected to Hadoop clusters today?

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•First, while it may appear inexpensive ...

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Question 33

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In the Luxottica case study, outsourcing enhanced the ability of the company to gain insights into their data.

All of the following statements about MapReduce are true EXCEPT

Which Big Data approach promotes efficiency, lower cost, and better performance by processing jobs in a shared, centrally managed pool of IT resources?

In the world of Big Data, ________ aids organizations in processing and analyzing large volumes of multi-structured data. Examples include indexing and search, graph analysis, etc.

Allowing Big Data to be processed in memory and distributed across a dedicated set of nodes can solve complex problems in near-real time with highly accurate insights. What is this process called?

Big Data employs ________ processing techniques and nonrelational data storage capabilities in order to process unstructured and semistructured data.

Big Data uses commodity hardware, which is expensive, specialized hardware that is custom built for a client or application.

In-motion ________ is often overlooked today in the world of BI and Big Data.

________ speeds time to insights and enables better data governance by performing data integration and analytic functions inside the database.

It is important for Big Data and self-service business intelligence go hand in hand to get maximum value from analytics.

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

Companies with the largest revenues from Big Data tend to be

Traditional data warehouses have not been able to keep up with

In open-source databases, the most important performance enhancement to date is the cost-based ________.

In the investment bank case study, the major benefit brought about by the supplanting of multiple databases by the new trade operational store was providing real-time access to trading data.

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

In the opening vignette, the CERN Data Aggregation System (DAS), built on MongoDB (a Big Data management infrastructure), used relational database technology.

In the opening vignette, what is the source of the Big Data collected at the European Organization for Nuclear Research or CERN?