Your network contains an Active Directory domain named contoso.com. The domain contains several shielded
virtual machines.
You deploy a new server named Server1 that runs Windows Server 2016. You install the Hyper-V server role
on Server1.
You need to ensure that you can host shielded virtual machines on Server1.
What should you install on Server1?

A.
Host Guardian Hyper-V Support

B.
BitLocker Network Unlock

C.
the Windows Biometric Framework (WBF)

D.
VM Shielding Tools for Fabric Management

Explanation:
This questions mentions “The domain contains several shielded virtual machines.”, which indicates a working
Host Guardian Service deployment was completed.
https://docs.microsoft.com/en-us/windows-server/virtualization/guarded-fabric-shielded-vm/guarded-fabricguarded-host-prerequisites
For a new Hyper-V server to utilize an existing Host Guardian Service, install the “Host Guardian Hyper-V
Support”.