A database administrator (DBA) must have a clear understanding of the fundamental business of an organization, be proficient in the use of selected database management systems, and stay abreast of emerging technologies and new design approaches.

• True

• False

If "color" is an attribute, then "green" is a data item

• True

• False

If you wish to study a visual depiction of the relative frequencies of words in a document, a word cloud would be an appropriate option.

• True

• False

Data scientists do not need much business domain knowledge.

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• False

In the utilities industry, IoT sensors are used extensively to capture operational data and help the utility provider achieve 24/7 uptime.

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• False

A collection of data fields that are all related to one object, activity, or individual is called a file.

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• False

A database, a database management system, and the application programs that create and access the databases make up a database environment.

• True

• False

Data governance involves identifying people who are responsible for fixing and preventing issues with data.

• True

• False

Data scientists do not need much business domain knowledge.

• True

• False

What is the Internet of Things?

• a computing environment in which a service provider owns and manages the infrastructure

• a network of physical objects embedded with sensors, processors, software, and network connectivity capability

• an information systems model in which an organization outsources the equipment used to support its data processing

• a set of tools that allow users to access their desktop operating system hosted in the cloud on a centralized server