Scenario: A Citrix Engineer is troubleshooting a database-related issue in a XenDesktop Site. The engineer tested the connectivity between the Delivery Controller and SQL server by doing a ping test and verifying the firewall rules. Now the engineer wants to check the number of registered service instances with the directory.

Which PowerShell command should the engineer execute?

A. Get-ConfigServiceInstance
B. Test-ConfigServiceInstanceAvailability
C. Register-ConfigServiceInstance

D. Get-ConfigRegisteredServiceInstance

Reference: https://support.citrix.com/article/CTX216685