Correct Answer: D
UPD needs Storage Spaces Direct (S2D) to meet the performance requirements. It is a Server Message Block (SMB) protocol that is used by UPD. Here, the profile is copied to the Virtual Machine in which the target user is being logged.
Option A is incorrect. UPD doesn’t use SMTP protocol.
Option B is incorrect. UPD doesn’t use the UDP protocol. Rather, it uses SMB protocol.
Option C is incorrect. Telnet is not the right protocol to be used by UPD.Option D is correct. It is a Server Message Block (SMB) protocol that is used by UPD.Option E is incorrect. Gopher protocol is not used by UPD.Reference:
To know more about FSLogix profile containers and Azure files, please visit the below-given link:
https://docs.microsoft.com/en-us/azure/virtual-desktop/fslogix-containers-azure-files#azure-files-integration-with-azure-active-directory-domain-service