- A
Interactive Application Security Testing (IAST)
Why wrong: IAST runs alongside the application, requiring execution.
- B
Static Application Security Testing (SAST)
SAST analyzes source code without execution, fitting the shift-left model.
- C
Runtime Application Self-Protection (RASP)
Why wrong: RASP protects applications at runtime, not during development.
- D
Dynamic Application Security Testing (DAST)
Why wrong: DAST tests the running application, so it is performed later in the SDLC.
Question 807 of 1,000
CCSP Cloud Application Security Practice Question
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.
Which security testing approach is most effective at identifying vulnerabilities early in the cloud software development lifecycle (SDLC) by analyzing source code without executing the application?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Static Application Security Testing (SAST)
Static Application Security Testing (SAST) is the correct approach because it analyzes source code, bytecode, or binary code without executing the application, making it ideal for identifying vulnerabilities early in the SDLC (shift-left). Unlike dynamic or runtime tools, SAST scans the codebase statically, catching issues like SQL injection, buffer overflows, and insecure cryptographic implementations before compilation or deployment.
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.
- ✗
Interactive Application Security Testing (IAST)
Why it's wrong here
IAST runs alongside the application, requiring execution.
- ✓
Static Application Security Testing (SAST)
Why this is correct
SAST analyzes source code without execution, fitting the shift-left model.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Runtime Application Self-Protection (RASP)
Why it's wrong here
RASP protects applications at runtime, not during development.
- ✗
Dynamic Application Security Testing (DAST)
Why it's wrong here
DAST tests the running application, so it is performed later in the SDLC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between SAST and DAST by framing the question around 'early in the SDLC' and 'without executing the application'—candidates mistakenly choose DAST because it is a common security test, but DAST requires a running application and is performed later in the lifecycle.
Detailed technical explanation
How to think about this question
SAST tools parse the source code into an abstract syntax tree (AST) or control flow graph (CFG) to model data flows and taint propagation, enabling detection of vulnerabilities like cross-site scripting (XSS) without execution. In cloud environments, SAST is often integrated into CI/CD pipelines (e.g., via Jenkins or GitLab CI) to enforce security gates on every commit, but it can produce false positives due to incomplete runtime context (e.g., framework-specific sanitizers). A real-world scenario is scanning a containerized microservice's Python code for insecure deserialization before building the Docker image, preventing the vulnerability from reaching production.
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.
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FAQ
Questions learners often ask
What does this CCSP question test?
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: Static Application Security Testing (SAST) — Static Application Security Testing (SAST) is the correct approach because it analyzes source code, bytecode, or binary code without executing the application, making it ideal for identifying vulnerabilities early in the SDLC (shift-left). Unlike dynamic or runtime tools, SAST scans the codebase statically, catching issues like SQL injection, buffer overflows, and insecure cryptographic implementations before compilation or deployment.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
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.
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