TestOut LabSim A+ Certification Practice Exam 2025 – The All-in-One Guide to Ace Your Certification!

To test a power supply using a multimeter, you would typically shunt the pins responsible for signaling the power supply to turn on. In this context, the correct pins to shunt on a standard ATX power supply connector are the pins that relate to the Power Good signal.

When you short the appropriate pins, such as pins 16 and 17, this sends a signal to the motherboard that the power supply should be activated, allowing you to measure the voltage output on the various power rails to ensure they are functioning correctly. This is crucial for verifying that the power supply is operational and providing the correct voltages needed for the system.

The other options do not correspond to the correct pins to activate the power supply. Many users may confuse pin numbers as different specifications may label or arrange them differently, but pin 16 is typically associated with the power-on function for most ATX supplies, making it the correct approach for this type of testing.