The answer is to uninstall and reinstall the note-taking app. Since the crash is isolated to a single app and clearing the cache and data did not resolve it, the issue is likely a corrupted app installation or a persistent bug that a fresh install will fix. Reinstalling removes all residual files and resets the app to its default state, often resolving deep-seated conflicts that cache clearing cannot touch. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your ability to follow a structured troubleshooting methodology for mobile devices, where you escalate from software resets to app reinstallation before considering OS-level fixes. A common trap is assuming a system-wide problem—remember, if other apps work fine, focus on the specific app. Memory tip: “One app, one fix—reinstall comes next.”
220-1101 Mobile Device Application Support Practice Question
This 220-1201 practice question tests your understanding of mobile device application support. 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 Android tablet frequently crashes when using a specific note-taking app, but other apps work fine. They have already cleared the app cache and data. What should you do next to resolve the issue?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Uninstall and reinstall the note-taking app.
This question tests the troubleshooting methodology for app-specific issues on mobile devices. Since the problem is isolated to one app and basic steps (cache/data clear) have failed, the next logical step is to check for app updates or reinstall the app, as updates often fix compatibility bugs.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 on the tablet.
Why it's wrong here
A factory reset is too drastic and unnecessary for a single app issue; it would erase all user data.
✓
Uninstall and reinstall the note-taking app.
Why this is correct
Reinstalling the app ensures the latest version is installed and can fix corrupted app files or compatibility issues.
Related concept
Static NAT maps one inside address to one outside address.
✗
Disable the tablet's antivirus software.
Why it's wrong here
Antivirus software rarely causes crashes in a single app, and disabling it is not a standard troubleshooting step for app crashes.
✗
Replace the tablet's battery.
Why it's wrong here
A failing battery might cause random shutdowns, but not crashes limited to one specific app.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1201 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1201 NAT questions on configuration and troubleshooting.
Mobile Device Application Support — This question tests Mobile Device Application Support — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Uninstall and reinstall the note-taking app. — This question tests the troubleshooting methodology for app-specific issues on mobile devices. Since the problem is isolated to one app and basic steps (cache/data clear) have failed, the next logical step is to check for app updates or reinstall the app, as updates often fix compatibility bugs.
What should I do if I get this 220-1201 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1201 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.