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Exam 14: Big Data and Nosql

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Question 1

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

A) Flume
B) Pig
C) Sqoop
D) Impala

E) B) and C)
F) A) and C)

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Question 2

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Scaling out is also referred to as _______.

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Question 3

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

Document databases group documents into logical groups called ______.

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

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

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

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

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

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

Neo4j is a ______ database.

A query in a graph database is called a ______.

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

Discuss NewSQL and what it attempts to do.​

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

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.

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

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

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

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