CCSP Cloud Platform and Infrastructure Security Practice Question
A cloud architect is designing a multi-tenant environment. To ensure that a tenant's virtual machine cannot access another tenant's memory, which resource isolation technique should be enforced at the hypervisor level?
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
✓
Memory isolation via hardware-enforced page tables
Memory isolation prevents cross-VM memory access; hypervisors enforce this by allocating dedicated memory pages.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
IOMMU for device isolation
Why it's wrong here
IOMMU isolates device access, not memory.
- ✓
Memory isolation via hardware-enforced page tables
Why this is correct
Hypervisors use hardware support (like EPT) to isolate VM memory.
- ✗
CPU pinning
Why it's wrong here
CPU pinning assigns specific cores but does not isolate memory.
- ✗
Network segmentation with VLANs
Why it's wrong here
VLANs isolate network traffic, not memory.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.