Solved

A Scanner Attaches to an Unpowered USB Hub

Question 163

Multiple Choice

A scanner attaches to an unpowered USB hub. The scanner is not detected when attached to the hub, but another USB device works fine. What is the first thing you should check?


A) Ensure the correct USB cable is being used.
B) Ensure the scanner is receiving enough power to power on.
C) Ensure the USB cable is not too long.
D) Ensure the computer USB power is not disabled.

Correct Answer:

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