The answer is a malicious proxy or DNS hijacking redirecting traffic to a fake site. This is correct because when a browser warns that a certificate is for a different domain, it means the server presenting the certificate is not the legitimate owner of the site you intended to visit—a classic sign of a man-in-the-middle attack where an attacker intercepts the connection and serves a fraudulent certificate. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your ability to distinguish between a simple expired certificate and a security breach; the trap is assuming the error is just a misconfiguration. The key insight is that a domain mismatch in the certificate is far more dangerous than a date mismatch. Memory tip: “Domain mismatch? Danger—someone’s in the middle.”
220-1202 Browser and Application Security Practice Question
This 220-1202 practice question tests your understanding of browser and application security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 reports that their browser displays a warning saying 'Your connection is not private' when visiting a frequently used banking site. After checking, you see the certificate error is for a different domain. What is the most likely cause?
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
✓
A malicious proxy or DNS hijacking is redirecting traffic to a fake site
A certificate error for a different domain indicates a possible man-in-the-middle attack or DNS hijacking. The correct action is to investigate the network and not proceed to the site. This tests understanding of SSL/TLS certificate warnings and their security implications.
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 user's system date and time are incorrect
Why it's wrong here
Incorrect date/time causes certificate validity errors, but the error would be for the same domain, not a different one.
✗
The website's SSL certificate has expired
Why it's wrong here
An expired certificate would show an error for the correct domain, not a different domain.
✓
A malicious proxy or DNS hijacking is redirecting traffic to a fake site
Why this is correct
A man-in-the-middle attack can present a certificate for a different domain, indicating redirection to a fraudulent site.
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 browser needs to be updated to the latest version
Why it's wrong here
Browser updates fix vulnerabilities but do not cause certificate domain mismatches.
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
Command / output trap
An expired certificate would show an error for the correct domain, not a different domain.
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 220-1202 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 220-1202 question in full detail.
Identify which 220-1202 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.
Browser and Application Security — This question tests Browser and Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A malicious proxy or DNS hijacking is redirecting traffic to a fake site — A certificate error for a different domain indicates a possible man-in-the-middle attack or DNS hijacking. The correct action is to investigate the network and not proceed to the site. This tests understanding of SSL/TLS certificate warnings and their security implications.
What should I do if I get this 220-1202 question wrong?
Identify which 220-1202 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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