A User Is Trying to Use Her Company-Issued Smartphone as a Mobile

question 261

Multiple Choice

A user is trying to use her company-issued smartphone as a mobile pay device,and it isn't working.Which of the following components is missing from the smartphone?

• A)RFID
• B)NFC chip
• C)IrDA
• D)Bluetooth

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Definitions:

Examine If Closed

Instructs to check whether a circuit or contact is in a closed state, indicating a continuous electrical path.

XIC

Acronym for "Examine If Closed," a common instruction used in programmable logic controllers (PLCs) to check if a contact or switch is closed.

Internal Relay Instructions

Commands in a PLC or other control systems that enable internal processing signals or operations without using physical relay hardware, often for logic or timing functions.