CAS-004 Security Architecture Practice Question
A company is developing a secure software development lifecycle (SDLC) and wants to integrate security testing early. Which THREE techniques should be used to find vulnerabilities in code during development? (Choose three.)
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
✓
Threat modeling
Threat modeling identifies design issues, SAST finds vulnerabilities in source code, and DAST finds vulnerabilities in running applications.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Penetration testing
Why it's wrong here
Pen testing is typically done later, not during development.
- ✗
Software Bill of Materials (SBOM) analysis
Why it's wrong here
SBOM analysis identifies known vulnerabilities in third-party components but is not a dynamic test.
- ✓
Threat modeling
Why this is correct
Threat modeling identifies potential threats during design.
- ✓
Dynamic Application Security Testing (DAST)
Why this is correct
DAST tests running applications for vulnerabilities.
- ✓
Static Application Security Testing (SAST)
Why this is correct
SAST analyzes source code for vulnerabilities without executing it.
Go deeper
Related to this question
About these practice questions
This CAS-005 question is part of Courseiva's 968-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 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 CAS-005 exam.