What is the difference between hardware-assisted virtualization and paravirtualization?

• A. Paravirtualization requires guest modification to cooperate.
• B. Hardware-assisted virtualization relies on hardware features to trap and virtualize; guest cooperation is not required.
• C. Both approaches require guest modification to cooperate.
• D. Hardware-assisted virtualization uses hardware features to trap and virtualize; paravirtualization requires guest modification to cooperate.

Answer: (D)