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Question 675 - 220-1101 discussion

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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?

A.
The dock is not designed to provide power passthrough.
Answers
A.
The dock is not designed to provide power passthrough.
B.
The dock is only connected to a USB 3.0 port.
Answers
B.
The dock is only connected to a USB 3.0 port.
C.
Proper drivers for the dock were not installed.
Answers
C.
Proper drivers for the dock were not installed.
D.
Too many accessories are plugged into the dock.
Answers
D.
Too many accessories are plugged into the dock.
Suggested answer: A

Explanation:

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.

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asked 02/10/2024
Jean Presume
30 questions
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