CompTIA A+ Core 1 (220-1101) — Question 292

Which of the following technologies can be used to harden guest virtual machines?

Answer options

• A. Containerization
• B. Network isolation
• C. Resource reservation
• D. vTPM

Correct answer: D

Explanation

The correct answer is D, vTPM, which provides a secure environment for virtual machines by ensuring that cryptographic keys are managed in a trusted manner. While A, B, and C can improve overall system performance or organization, they do not specifically focus on hardening the security of the virtual machines themselves.