An Authentication Token

question 25

Multiple Choice

An authentication token:

• A) is a device the size of a credit card that contains access permission data.
• B) is a type of smart card.
• C) is a device that displays passcodes.
• D) is an electronic marker attached to a digital authorization file.
• E) compares a person's unique characteristics against a stored profile of these characteristics to determine any differences between these characteristics and the stored profile.

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Definitions:

Counter Rung

A ladder logic diagram element that tracks and controls occurrences of an event within a PLC program.

Parameter

A variable or factor that can be set or adjusted in order to influence or determine a process or system's behavior.

External Trigger

A signal or event from outside a system that initiates a process or action within the system.

State Change

A transition in the condition or mode of a system or component, such as from off to on, or from idle to active.