If Your Phone Number Was Used in a Clothing Store

question 95

Multiple Choice

If your phone number was used in a clothing store to uniquely identify you as a customer,the phone number would be considered a(n) ____.

• A)identifying field
• B)relational field
• C)primary key
• D)principle key

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Definitions:

Access Control Scheme

A method or protocol that determines how to grant or restrict access to resources or environments based on identity or credentials.

ControlNet

An open, high-speed, deterministic network that transfers on the same network time-critical I/O updates, controller-to-controller interlocking data, and non-time-critical data such as data monitoring and program uploads and downloads.

High Speed

Refers to operations or processes that occur at a fast rate, typically within systems or machines that require rapid response times.

Deterministic

A characteristic of systems or processes that behave in a predictable manner, where the same input always results in the same output.