CAS-004 Security Architecture Practice Question
A company is implementing a defense-in-depth strategy for its web application. Which THREE security controls should be included in the architecture? (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
✓
Web application firewall (WAF)
Defense-in-depth uses multiple layers. WAF filters malicious traffic, network segmentation limits lateral movement, and RASP protects the application at runtime.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Web application firewall (WAF)
Why this is correct
WAF inspects HTTP traffic for attacks like SQL injection.
- ✗
Load balancer with SSL termination
Why it's wrong here
Load balancers provide availability, not a security control layer.
- ✓
Runtime application self-protection (RASP)
Why this is correct
RASP detects and blocks attacks within the application runtime.
- ✗
Single sign-on (SSO)
Why it's wrong here
SSO is an authentication method, not a defense-in-depth control per se.
- ✓
Network segmentation
Why this is correct
Segmentation limits spread of breaches.
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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.