CAS-004 Security Architecture Practice Question
An organization is adopting a cloud-first strategy and needs to ensure compliance with SOC 2. Which cloud service model places the most responsibility on the customer for security?
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
✓
IaaS
In IaaS, the customer manages the OS, applications, and data, while the provider secures the physical infrastructure. SOC 2 compliance requires customer to handle many controls.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
IaaS
Why this is correct
Customer responsibility is greatest in IaaS.
- ✗
FaaS
Why it's wrong here
FaaS also shifts responsibility to the provider.
- ✗
SaaS
Why it's wrong here
SaaS places most security responsibility on the provider.
- ✗
PaaS
Why it's wrong here
PaaS shifts some security to the provider.
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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.