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220-1201 Practice Question: A user wants to connect their smartphone to a…
A user wants to connect their smartphone to a hotel TV to stream a presentation during a conference. The TV has only an HDMI port and no wireless capabilities. Which accessory is most appropriate for this task?
⚠ Common exam trap
CompTIA A+ often tests the distinction between adapters that merely replicate ports (like USB hubs) versus those that actively convert signal protocols (like MHL-to-HDMI), and the trap here is that candidates may choose a wireless adapter like Chromecast without considering the requirement for a Wi-Fi network, assuming any HDMI-connected device will work regardless of network dependency.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An MHL-to-HDMI adapter
MHL (Mobile High-Definition Link) allows a smartphone to output video and audio through its USB port (often USB-C or micro-USB) and converts it to HDMI, which is exactly what is needed to connect to a TV with only an HDMI port. This adapter is the most appropriate because it directly bridges the smartphone's mobile output to the TV's HDMI input without requiring any wireless network or additional power source.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A USB-C to USB-A hub
Why it's wrong here
A USB hub only expands USB ports and does not output video signals to HDMI.
- ✓
An MHL-to-HDMI adapter
Why this is correct
MHL (Mobile High-Definition Link) adapters allow smartphones to output video and audio to HDMI displays.
- ✗
A Bluetooth speaker
Why it's wrong here
A Bluetooth speaker provides audio output only, not video, so it cannot display the presentation.
- ✗
A wireless display adapter like Chromecast
Why it's wrong here
Wireless adapters require the TV to have an HDMI port and wireless capability, but the scenario states the TV has no wireless capabilities, making this option non-functional.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1201 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1201 exam.