Which accessory extends laptop ports when the mobile device has limited I/O?
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Docks and hubs add HDMI, USB-A, Ethernet, and charging.
Correct answer(s): a. USB-C hub or docking station
Exam domain: Domain 1: Mobile Devices (15% weight on the official guide).
Official documentation & study links
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