Which of the Following Associative Array Attributes Checks to See

question 15

Multiple Choice

Which of the following associative array attributes checks to see if a value has been entered for the stated index number?

• A) COUNT
• B) FIRST
• C) EXISTS
• D) PRIOR

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Definitions:

Rack and Pinion

A type of linear actuator that converts rotational motion into linear motion using a circular gear (the pinion) engaging a linear gear (the rack).

Recirculating Ball

A type of steering system mechanism that utilizes a series of balls to reduce friction and provide smoother steering control.

Belt-driven

Describes mechanisms or devices powered by a belt, which transfers movement and power from one pulley to another.

Pump

A mechanical device used to move fluids or gases from one place to another by creating pressure differential.