Exam 220-1101 topic 1 question 350 discussion

The most appropriate technology to harden guest virtual machines is: D. vTPM (Virtual Trusted Platform Module). vTPM provides hardware-based security functions to virtual machines, similar to how a physical TPM works for physical machines. It helps in securing cryptographic operations, storing encryption keys, and ensuring the integrity of the system. Why the other options are less suitable for hardening: A. Containerization: While containerization can improve security by isolating applications, it is more relevant to application deployment rather than hardening virtual machines. B. Network isolation: This can enhance security by limiting network access, but it doesn’t directly harden the virtual machine itself. C. Resource reservation: This ensures that virtual machines have guaranteed access to resources, but it doesn’t contribute to the security or hardening of the virtual machines.

Virtual Trusted Platform Module (vTPM) is a technology that provides a virtualized version of the hardware-based Trusted Platform Module. TPM is a hardware component that provides security-related functions, and vTPM extends those capabilities into virtualized environments. It enhances security by allowing virtual machines to leverage TPM features for tasks such as secure boot and encryption.