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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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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.

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Question 33

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Companies with the largest revenues from Big Data tend to be

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

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

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

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?

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

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

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.

All of the following statements about MapReduce are true EXCEPT

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

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

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

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

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

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

Traditional data warehouses have not been able to keep up with

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

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