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In the context of Big Data, ______ refers to the trustworthiness of a set of data.


A) value
B) variability
C) veracity
D) viability

E) A) and B)
F) B) and D)

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What is NoSQL and what are the major NoSQL approaches (categories)?

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​NoSQL is the unfortunate name given to ...

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In MongoDB, the______ method is used to improve the readability of retrieved documents through the use of line breaks and indention.


A) pretty()
B) clean*
C) break[]
D) filter+

E) All of the above
F) A) and B)

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Hadoop is a database that has become the de facto standard for most Big Data storage and processing.

A) True
B) False

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​Most NoSQL products run only in a Linux or Unix environment.

A) True
B) False

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______ focuses on filtering data as it enters the system to determine which data to keep and which to discard.​


A) ​Scaling up
B) ​Feedback loop processing
C) ​Stream processing
D) ​Scaling out

E) A) and B)
F) None of the above

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In agraph database, the representation of a relationship between nodes is called a(n) ______.

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A(n) ______ is a tag that is used to associate a collection of nodes as being of the same type or belonging to the same group.


A) edge
B) key
C) label
D) bucket

E) B) and D)
F) All of the above

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The analysis of data to produce actionable results is feedback loop processing.

A) True
B) False

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


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

E) A) and D)
F) C) and D)

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In the context of Big Data, ______ relates to changes in meaning.


A) variety
B) variability
C) veracity
D) viability

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

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Data collected or aggregated around a central topic or entity is said to be ______ aware.


A) aggregate
B) transversally
C) feedback
D) visually

E) All of the above
F) A) and B)

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The interactive, declarative query language in Neo4j is called ______.

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​Scaling out is keeping the same number of systems, but migrating each system to a larger one.

A) True
B) False

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​​Relational databases rely on unstructured data.

A) True
B) False

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