While a View administrator is configuring the vRealize for Horizon Broker Agent, this error message is displayed:

What two actions should the administrator take to resolve the issue? (Choose two.)

A. Verify that the pairing key is correct.

B. Start the VMware vRealize Operations for Horizon Broker Agent service on the virtual desktops.

C. Configure the firewall to allow communications.

D. Configure DNS to properly resolve the hostnames.