Which set of Citrix services should the engineer troubleshoot to find the root cause?

Scenario: A Citrix Engineer administering a Citrix Virtual Apps and Desktops environment is experiencing inconsistency with Virtual Delivery Agent (VDA) registration. After much investigation, the engineer determined the issue is resulting from intermittent problems with the Windows services on the VDA machine and the Delivery Controller.

Which set of Citrix services should the engineer troubleshoot to find the root cause?
A . BrokerAgent.exe and BrokerService.exe
B . BrokerAgent.exe and Citrix.Host.exe
C . BrokerService.exe and Citrix.Host.exe
D . PicaSvc2.exe and BrokerService.exe

Answer: A

Explanation:

https://support.citrix.com/article/CTX139415