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CCNP Practice Question: Which three statements about hypervisor security…
Which three statements about hypervisor security and isolation are true? (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
✓
A VM escape attack occurs when an attacker breaks out of a virtual machine to access the hypervisor or other VMs.
Hypervisor security is critical to prevent VM escape and ensure isolation. Option A is correct because VM escape is a serious vulnerability where code in a VM breaks out to the hypervisor. Option C is correct because the hypervisor should enforce strict isolation between VMs to prevent data leakage. Option D is correct because keeping the hypervisor patched and minimizing its attack surface are key security practices. Option B is incorrect because VMs are not inherently isolated from each other; isolation depends on hypervisor design. Option E is incorrect because VMs do not have direct access to physical hardware; the hypervisor mediates access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A VM escape attack occurs when an attacker breaks out of a virtual machine to access the hypervisor or other VMs.
Why this is correct
Correct because VM escape is a known security risk that compromises isolation.
- ✗
Virtual machines are inherently isolated from each other and do not require any additional security measures.
Why it's wrong here
Incorrect because isolation depends on hypervisor implementation; vulnerabilities can exist.
- ✓
The hypervisor must enforce memory and device isolation to prevent one VM from accessing another VM's data.
Why this is correct
Correct because proper isolation mechanisms are essential for multi-tenant environments.
- ✓
Regularly patching the hypervisor and reducing its attack surface are important security practices.
Why this is correct
Correct because hypervisors are software and can have vulnerabilities that need patching.
- ✗
Virtual machines have direct access to physical hardware resources such as CPU and memory.
Why it's wrong here
Incorrect because the hypervisor mediates access to physical hardware; VMs do not have direct access.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco 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 350-401 exam.