This CCSP practice question tests your understanding of cloud application security. 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 company is adopting DevSecOps and wants to incorporate security testing into their continuous integration pipeline. They have decided to run SAST (static analysis) and SCA (software composition analysis) tools. Which of the following is the PRIMARY reason for including SCA in addition to SAST?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To identify known vulnerabilities in third-party libraries and dependencies
SCA (Software Composition Analysis) is specifically designed to identify known vulnerabilities in third-party libraries and dependencies by comparing their versions against public vulnerability databases like the National Vulnerability Database (NVD) or OWASP Dependency-Check. SAST (Static Application Security Testing) analyzes custom source code for security flaws but cannot inspect external libraries that are often pulled in via package managers (e.g., npm, Maven, pip). Including SCA ensures that the organization addresses supply chain risks, which is a primary goal in DevSecOps pipelines.
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.
✗
To detect insecure runtime behavior
Why it's wrong here
Runtime behavior is detected by DAST or IAST.
✓
To identify known vulnerabilities in third-party libraries and dependencies
Why this is correct
SCA specifically scans open source components for known CVEs.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
To reduce false positives identified by SAST
Why it's wrong here
SCA does not reduce false positives from SAST; they address different things.
✗
To scan for vulnerabilities in custom APIs
Why it's wrong here
Custom API vulnerabilities are better found by SAST or DAST.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the distinction between SAST (custom code analysis) and SCA (third-party dependency analysis), and the trap here is that candidates may confuse SCA with DAST or think SCA can reduce SAST false positives, when in reality SCA addresses a completely different attack surface—open-source library vulnerabilities.
Detailed technical explanation
How to think about this question
SCA tools work by generating a Software Bill of Materials (SBOM) from dependency files (e.g., pom.xml, package-lock.json, requirements.txt) and cross-referencing each component's version against CVE databases using exact version matching or range logic. A subtle behavior is that SCA can also detect transitive dependencies—libraries pulled in by your direct dependencies—which SAST completely misses, making it critical for supply chain attacks like the 2020 SolarWinds breach where a compromised dependency was injected into the build pipeline.
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 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: To identify known vulnerabilities in third-party libraries and dependencies — SCA (Software Composition Analysis) is specifically designed to identify known vulnerabilities in third-party libraries and dependencies by comparing their versions against public vulnerability databases like the National Vulnerability Database (NVD) or OWASP Dependency-Check. SAST (Static Application Security Testing) analyzes custom source code for security flaws but cannot inspect external libraries that are often pulled in via package managers (e.g., npm, Maven, pip). Including SCA ensures that the organization addresses supply chain risks, which is a primary goal in DevSecOps pipelines.
What should I do if I get this CCSP 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: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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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