Quiz 8 - ISYS 464

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________ is arguably the most common concern by individuals regarding big data analytics.

Personal privacy

The 'schema on read' approach often incorporates JSON or XML.

True

At a basic level, analytics refers to:

analysis and interpretation of data.

When a data repository (including internal and external data) does NOT follow a predefined schema, this is called a:

data lake.

When online analytical processing (OLAP) studies last year's sales, this represents:

descriptive analytics

In an HDFS the NameNode is essential because:

it contains the location of each block of each file.

Big data requires effectively processing:

many data types.

NoSQL includes data storage and retrieval:

not based on the relational model.

Descriptive, predictive, and ________ are the three main types of analytics.

prescriptive

The three 'v's commonly associated with big data include:

volume, variety, and velocity.


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