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Exam 14: Big Data and Nosql

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Question 1

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The ability to graphically presentdata in a way that makes it understandable is the concept of value.

A) True
B) False

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Discuss the need for a Hadoop ecosystem and identify the key components.

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Because Hadoop is a very low-level tool ...

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Interest in graph databases can be tied to the area of social networks.​

​​​Flume is a tool for converting data back and forth between a relational database and the HDFS.

Two of the most popular applications to simplify the process of creating MapReduce jobs are Hive and ______.

Characteristics that are important in working with data in the relational database model also apply to Big Data.

In acolumn family database, a column that is composed of a group of other related columns is called a(n) ______.

A column family database is a NoSQL database model that organizes data in key-value pairs with keys mapped to a set of columns in the value component.

When using a HDFS, the ______node creates new files by communicating with the______ node.

A ______ is a programmed function within an object used to manipulate the data in that same object.

Document databases group documents into logical groups called ______.

Within MapReduce, a(n) ______ runs maps and reduces tasks on nodes.

A method of text analysis that attempts to determine if a statement conveys a positive, negative, or neutral attitude is referred to as______analysis.

A query in a graph database is called a ______.

The name, MongoDB, comes from the word humongous as its developers intended their new product to support extremely large data sets.

Neo4j is a ______ database.

​______minimizes the number of disk reads necessary to retrieve a row of data.

Discuss NewSQL and what it attempts to do.​

______refers to the analysis of the data to produce actionable results.

Scaling out is also referred to as _______.