Chapter 14

Question 1

______ is the Big Data “3 V” that relates to the speed at which data is entering the system.

Answer 1

Velocity

Question 2

Scaling out is also referred to as _______.

Answer 2

Clustering

Question 3

_______ refers to the analysis of the data to produce actionable results.

Answer 3

Feedback Loop Processing

Question 4

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

Answer 4

Sentimental

Question 5

______ is the coexistence of a variety of data storage and data management technologies within an
organization’s infrastructure

Answer 5

Polyglot Persistence

Question 6

Within MapReduce, a _____ runs maps and reduces functions.

Answer 6

Task Tracker

Question 7

Most organizations that use Hadoop also use a set of other related products that interact and complement
each other to produce an entire _____ of applications and tools.

Answer 7

Ecosystem

Question 8

_______ languages allow the user to specify what they want, not how to get it which is very useful for query processing.

Answer 8

Declarative

Question 9

Within Hadoop, _____ is used for producing data pipeline tasks that transform data in a series of steps.

Answer 9

Pig

Question 10

Within Hadoop, _______ can transfer data in both directions - into and out of HDFS

Answer 10

Sqoop

Question 11

_____ databases simply store data with no attempt to understand the contents of the value component or its
meaning.

Answer 11

Key-value

Question 12

_______ is a human-readable text format for data interchange that defines attributes and values in a
document.

Answer 12

JavaScript Object Notation

Question 13

______ do not store relationships as perceived in the relational model and generally have no support for join
operations.

Answer 13

Document Databases

Question 14

______ refers to traditional, relational database technologies that use column-centric, not row-centric
storage.

Answer 14

Column-Oriented Database

Question 15

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

Answer 15

Super Column

Question 16

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

Answer 16

Edge

Question 17

A query in a graph database is called a(n) _____.

Answer 17

Traversal

Question 18

A database model that attempts to provide ACID-compliant transactions across a highly distributed
infrastructure is _____.

Answer 18

NewSQL

Question 19

______ is a continuous spectrum of knowledge acquisition that goes from discovery to explanation to
prediction.

Answer 19

Data Analytics

Question 20

In the ______ phase of data mining, findings are used to predict future behavior and forecast business
outcomes.

Answer 20

Prognosis