When troubleshooting issues with the View Agent, which tool can be used to generate a Data Collection Tool (DCT) bundle?

An administrator installs the Horizon Agent on a Linux virtual machine, and the error Agent Registration Failed is displayed.
What might be two causes for this error? (Choose two.)

An administrator deploys a linked clone pool and notices that many virtual machines are in an Error state. This cycle keeps repeating.
What can be done to correct this issue?

Which two View graphics technologies are hardware accelerated? (Choose two.)

What is the minimum Active Directory functional level supported by App Volumes 2.x?