CompTIA Exam 220-1101 Topic 2 Question 33 Discussion

Actual exam question for CompTIA's 220-1101 exam

Question #: 33
Topic #: 2

A technician receives a call from a user about a new USB 3.1 docking station. The user claims that their laptop does not charge when connected to the dock. The user confirms that the AC adapter for the dock is plugged in. Which of the following is the most likely cause?

AThe dock is not designed to provide power passthrough.

BThe dock is only connected to a USB 3.0 port.

CProper drivers for the dock were not installed.

DToo many accessories are plugged into the dock.

Show Suggested Answer

Suggested Answer: A

If a laptop does not charge when connected to a USB 3.1 docking station despite the AC adapter being plugged in, the most likely reason is that the dock is not designed to provide power passthrough. This means that the dock's primary function is connectivity for peripherals rather than power delivery to the laptop. The other options are possible but less likely if the sole issue is the absence of charging functionality when the dock and its power supply are properly connected.

Reference: CompTIA A+ Core 1 (220-1101) materials, which discuss the functionality and specifications of peripheral devices including docking stations.

by Colton at May 29, 2024, 12:38 AM

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5 months ago

I'm going with option B. If the dock is only connected to a USB 3.0 port, it might not have enough power to charge the laptop. Gotta make sure it's plugged into a 3.1 port.

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