CAS-004 Security Architecture Practice Question
A security team is implementing a secure SDLC for a new application. Which THREE activities should be included as part of the development phase? (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
✓
Static application security testing (SAST)
During development, SAST scans source code, dependency analysis checks libraries, and threat modeling identifies design flaws.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Runtime application self-protection (RASP) deployment
Why it's wrong here
Incorrect; RASP is a runtime control, not a development activity.
- ✗
Penetration testing on production environment
Why it's wrong here
Incorrect; penetration testing is typically done later.
- ✓
Static application security testing (SAST)
Why this is correct
Correct; SAST analyzes source code for vulnerabilities during development.
- ✓
Threat modeling
Why this is correct
Correct; threat modeling is performed during design and development.
- ✓
Dependency analysis for open-source libraries
Why this is correct
Correct; dependency analysis identifies vulnerabilities in third-party components.
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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.