220-801 Question #264: Real Exam Question with Answer & Explanation

The correct answer is A: Multimeter. A multimeter can measure DC voltage and current on the network cable pairs used by Power over Ethernet (PoE), allowing the technician to verify whether the switch port is delivering the correct voltage (typically 44–57V) and sufficient wattage to the device. A toner probe traces

Question

A user has a PoE device that does not power on. The technician believes that the switch may not be outputting the appropriate amount of power to the device. Which of the following could be used to test this hypothesis?

Options

AMultimeter
BToner probe
CLineman's handset
DLoopback plug

Explanation

A multimeter can measure DC voltage and current on the network cable pairs used by Power over Ethernet (PoE), allowing the technician to verify whether the switch port is delivering the correct voltage (typically 44–57V) and sufficient wattage to the device. A toner probe traces cable paths but cannot measure power levels. A lineman's handset is used for telephone line testing and audio monitoring. A loopback plug tests network port connectivity and signal integrity, not power output.

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