The answer is that the phone is only connected for phone calls (HFP) and not for media audio (A2DP). This happens because Bluetooth profiles govern what a connection can do; the Hands-Free Profile (HFP) handles voice calls, while the Advanced Audio Distribution Profile (A2DP) is required for streaming music, podcasts, or any media audio. When a smartphone pairs but only establishes HFP, media audio still routes through the phone’s speaker instead of the car’s system. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your understanding of Bluetooth profiles and their role in audio routing—a common trap is assuming a successful pairing guarantees full functionality. A quick memory tip: think of HFP as “Hands-Free Phone” for calls only, and A2DP as “Audio To Dashboard Player” for media.
220-1101 Mobile Device Connection Methods Practice Question
This 220-1201 practice question tests your understanding of mobile device connection methods. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 user is trying to connect their smartphone to a car's infotainment system using Bluetooth for hands-free calling. The phone pairs successfully, but audio only plays through the phone's speaker, not the car's speakers. Which of the following is the most likely reason for this issue?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The phone is only connected for phone calls (HFP) and not for media audio (A2DP).
Bluetooth profiles define functionality; the Handsfree Profile (HFP) is used for calls, while A2DP is for media audio. If A2DP is not connected, media audio may route to the phone. This tests knowledge of Bluetooth profiles and their roles in audio routing.
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.
✗
The car's Bluetooth system does not support the phone's Bluetooth version.
Why it's wrong here
Bluetooth is backward compatible; version mismatch would usually prevent pairing entirely, not cause partial audio failure.
✓
The phone is only connected for phone calls (HFP) and not for media audio (A2DP).
Why this is correct
Many Bluetooth connections separate call audio and media audio; if only HFP is active, media audio remains on the phone.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The car's speakers are defective.
Why it's wrong here
Defective speakers would affect all audio, not just media, and the scenario states the car plays call audio through its speakers.
✗
The phone's audio output is set to 'Speaker' in the call app.
Why it's wrong here
This setting only affects the current call, not the persistent Bluetooth profile configuration.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Scenario analysis trap
Defective speakers would affect all audio, not just media, and the scenario states the car plays call audio through its speakers.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1201 question in full detail.
Identify which 220-1201 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Mobile Device Connection Methods — This question tests Mobile Device Connection Methods — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The phone is only connected for phone calls (HFP) and not for media audio (A2DP). — Bluetooth profiles define functionality; the Handsfree Profile (HFP) is used for calls, while A2DP is for media audio. If A2DP is not connected, media audio may route to the phone. This tests knowledge of Bluetooth profiles and their roles in audio routing.
What should I do if I get this 220-1201 question wrong?
Identify which 220-1201 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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