- A
A Bluetooth keyboard for typing notes.
Why wrong: A keyboard is not suitable for signature capture; it is for text input.
- B
A capacitive stylus with a fine tip.
This is correct; a stylus provides the precision needed for signatures.
- C
A USB-C to HDMI adapter for external display.
Why wrong: An HDMI adapter is for video output, not input; it does not help with signatures.
- D
A screen protector to prevent scratches.
Why wrong: A screen protector protects the screen but does not aid in signature capture.
Question 410 of 1,020
220-1201 Mobile Device Accessories Practice Question
This 220-1201 practice question tests your understanding of mobile device accessories. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A technician is setting up a new tablet for a field worker who needs to capture signatures from customers. The tablet has a standard USB-C port. Which accessory is most appropriate for this task?
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
✓
A capacitive stylus with a fine tip.
A capacitive stylus with a fine tip (Option B) is the most appropriate accessory because it allows the field worker to accurately capture signatures on the tablet's touchscreen. Capacitive styluses work by mimicking the electrical properties of a human finger, and a fine tip provides the precision needed for signature capture without relying on a digitizer or active pen protocol.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 Bluetooth keyboard for typing notes.
Why it's wrong here
A keyboard is not suitable for signature capture; it is for text input.
- ✓
A capacitive stylus with a fine tip.
Why this is correct
This is correct; a stylus provides the precision needed for signatures.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A USB-C to HDMI adapter for external display.
Why it's wrong here
An HDMI adapter is for video output, not input; it does not help with signatures.
- ✗
A screen protector to prevent scratches.
Why it's wrong here
A screen protector protects the screen but does not aid in signature capture.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The CompTIA A+ exam often tests the distinction between passive capacitive styluses (which work on any capacitive touchscreen) and active styluses (which require a digitizer), leading candidates to incorrectly assume a fine-tip stylus is only for resistive screens or that a Bluetooth keyboard could be used for signature input.
Trap categories for this question
Command / output trap
An HDMI adapter is for video output, not input; it does not help with signatures.
Detailed technical explanation
How to think about this question
Capacitive touchscreens detect touch through the conductive properties of the human body or a stylus designed to mimic those properties. A fine-tip capacitive stylus uses a conductive rubber or mesh tip that creates a capacitive coupling with the screen, enabling precise input. In contrast, active styluses (like those used with Wacom or Apple Pencil) require a digitizer layer and Bluetooth pairing, which this standard tablet may not support, making a passive capacitive stylus the correct choice for signature capture.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Mobile Device Accessories — This question tests Mobile Device Accessories — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A capacitive stylus with a fine tip. — A capacitive stylus with a fine tip (Option B) is the most appropriate accessory because it allows the field worker to accurately capture signatures on the tablet's touchscreen. Capacitive styluses work by mimicking the electrical properties of a human finger, and a fine tip provides the precision needed for signature capture without relying on a digitizer or active pen protocol.
What should I do if I get this 220-1201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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.
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