The answer is to verify the account username and password in the email app. This is the correct first step because a sudden sync failure on a previously working account, especially when other internet services like browsing are functional, almost always points to an authentication problem rather than a network issue. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your ability to isolate application-layer problems from connectivity issues—a common trap is jumping to clear cache or check server settings when the user’s password may have simply expired or been changed. Remember the troubleshooting principle: start with the simplest, least disruptive check. For Android email not syncing troubleshooting, always confirm credentials before touching advanced settings. Memory tip: think “Auth before Cache”—authentication fails before data corruption does.
220-1102 Mobile OS and App Troubleshooting Practice Question
This 220-1202 practice question tests your understanding of mobile os and app troubleshooting. 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 reports that their corporate email app on an Android device is not syncing. They can browse the internet and use other apps normally. The account was working yesterday. What should you check first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify the account username and password in the email app.
Option B is correct because the most common cause of a previously working email account suddenly failing to sync is an authentication issue, such as a changed password or expired credentials. Since other internet services work, the network connectivity is fine, so the problem is isolated to the email app's authentication. Verifying the username and password in the app's account settings is the quickest, least disruptive first step before escalating to more drastic measures.
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.
✗
Perform a factory reset of the device.
Why it's wrong here
A factory reset is too drastic and would delete all user data; it should only be a last resort.
✓
Verify the account username and password in the email app.
Why this is correct
Incorrect credentials or a recent password change can prevent syncing; verifying them is the quickest and most common fix.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Replace the device's SIM card.
Why it's wrong here
The SIM card is for cellular connectivity, but the user can browse the internet, so the SIM is likely fine.
✗
Reinstall the operating system.
Why it's wrong here
Reinstalling the OS is unnecessary for a single app issue and would wipe the device.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume a network or hardware issue (SIM card) because the email 'isn't syncing,' but the question explicitly states other apps work, isolating the problem to the email app's configuration or authentication.
Detailed technical explanation
How to think about this question
Corporate email apps on Android typically use protocols like Exchange ActiveSync (EAS) or IMAP with OAuth 2.0 for authentication. When a password is changed on the server (e.g., via Active Directory or Microsoft 365), the cached token or password in the app becomes invalid, causing sync to fail while other apps using different authentication tokens (e.g., browser sessions) continue to work. The email app may silently fail without a clear error message, making credential verification the logical first step.
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 220-1202 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.
Mobile OS and App Troubleshooting — This question tests Mobile OS and App Troubleshooting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Verify the account username and password in the email app. — Option B is correct because the most common cause of a previously working email account suddenly failing to sync is an authentication issue, such as a changed password or expired credentials. Since other internet services work, the network connectivity is fine, so the problem is isolated to the email app's authentication. Verifying the username and password in the app's account settings is the quickest, least disruptive first step before escalating to more drastic measures.
What should I do if I get this 220-1202 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: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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