This CCSP practice question tests your understanding of cloud 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 SaaS application allows users to upload profile pictures. The development team wants to prevent upload of malicious files that could compromise the server. Which control is most effective?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement server-side antivirus scanning on all uploaded files before saving.
Option A is correct because scanning files for malware before storage prevents malicious content from reaching the server. Option B is wrong because file extension validation alone is insufficient. Option C is wrong because limiting size does not address malicious content. Option D is wrong because CDN does not inspect file content.
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.
✗
Store files in a CDN that only serves static content.
Why it's wrong here
CDN may still serve malicious files if not scanned.
✗
Set a maximum file size limit to 2 MB.
Why it's wrong here
Does not prevent malicious content.
✓
Implement server-side antivirus scanning on all uploaded files before saving.
Why this is correct
Scans for known malware and can block dangerous files.
Related concept
Read the scenario before looking for a memorised answer.
✗
Restrict file uploads to only image file types by checking the file extension.
Why it's wrong here
Extensions can be spoofed; e.g., a .exe renamed to .jpg.
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.
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 security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
What to study next
Got this wrong? Here's your next step.
Identify which CCSP 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.
Cloud Application Security — This question tests Cloud Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Implement server-side antivirus scanning on all uploaded files before saving. — Option A is correct because scanning files for malware before storage prevents malicious content from reaching the server. Option B is wrong because file extension validation alone is insufficient. Option C is wrong because limiting size does not address malicious content. Option D is wrong because CDN does not inspect file content.
What should I do if I get this CCSP question wrong?
Identify which CCSP 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.
Question Discussion
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