- A
The iPhone's DNS settings are misconfigured.
Why wrong: DNS issues would affect all web browsing, but the portal itself might still load; however, the most common cause is the captive portal not being acknowledged.
- B
The iPhone is not accepting the captive portal's terms and conditions.
Many public Wi-Fi networks require accepting terms via a web page; if the portal doesn't load or the user hasn't accepted, internet access is blocked.
- C
The iPhone's Wi-Fi antenna is faulty.
Why wrong: A faulty antenna would show weak or no signal, not full signal.
- D
The public Wi-Fi network is using an incompatible security protocol.
Why wrong: If the network were incompatible, the iPhone would not connect at all.
Question 532 of 1,020
220-1201 Mobile Device Network Connectivity Practice Question
This 220-1201 practice question tests your understanding of mobile device network connectivity. 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's iPhone connects to a public Wi-Fi hotspot but cannot load any web pages. The Wi-Fi icon shows full signal. Other devices on the same network work fine. What is the most likely 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 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
✓
The iPhone is not accepting the captive portal's terms and conditions.
The most likely issue is that the iPhone has connected to the Wi-Fi network but has not completed the captive portal authentication process. Captive portals require users to accept terms and conditions or log in via a web page before internet access is granted. Since other devices work fine, the network itself is functional, and the iPhone's full signal indicates a good physical connection, pointing to a failure in the portal acceptance step.
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 iPhone's DNS settings are misconfigured.
Why it's wrong here
DNS issues would affect all web browsing, but the portal itself might still load; however, the most common cause is the captive portal not being acknowledged.
- ✓
The iPhone is not accepting the captive portal's terms and conditions.
Why this is correct
Many public Wi-Fi networks require accepting terms via a web page; if the portal doesn't load or the user hasn't accepted, internet access is blocked.
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 iPhone's Wi-Fi antenna is faulty.
Why it's wrong here
A faulty antenna would show weak or no signal, not full signal.
- ✗
The public Wi-Fi network is using an incompatible security protocol.
Why it's wrong here
If the network were incompatible, the iPhone would not connect at all.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The 220-1201 exam often tests the distinction between 'connected to Wi-Fi' and 'authenticated via captive portal,' trapping candidates who assume a full signal and IP address mean full internet access.
Trap categories for this question
Command / output trap
A faulty antenna would show weak or no signal, not full signal.
Detailed technical explanation
How to think about this question
Captive portals work by intercepting HTTP requests and redirecting them to a login/acceptance page, often using a DNS spoofing or HTTP redirect mechanism. The iPhone's operating system automatically detects captive portals by sending a request to a known Apple endpoint (e.g., captive.apple.com) and checking for a specific response; if the expected response is not received, the device may show a 'Sign in to network' notification but still allow limited connectivity. In some cases, the portal page may fail to load due to JavaScript issues, SSL certificate warnings, or the user dismissing the prompt, leaving the device in a state where it has an IP address but no internet access.
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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Mobile Device Network Connectivity — study guide chapter
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Mobile Device Network Connectivity — This question tests Mobile Device Network Connectivity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The iPhone is not accepting the captive portal's terms and conditions. — The most likely issue is that the iPhone has connected to the Wi-Fi network but has not completed the captive portal authentication process. Captive portals require users to accept terms and conditions or log in via a web page before internet access is granted. Since other devices work fine, the network itself is functional, and the iPhone's full signal indicates a good physical connection, pointing to a failure in the portal acceptance step.
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.
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.
About these practice questions
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Last reviewed: Jul 4, 2026
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