Which Recommended Procedure Should Be Used to Update a License

Which recommended procedure should be used to update a license on a Dell EMC Avamar utility node?

A) Copy the file license .xml to the temporary folder using scp and run the avmaint license command
B) Copy the file license .xml to the license folder using ftp and run the avmaint license command
C) Copy the file license .xml to the temporary folder using ftp and run the avmaint register command
D) Open the Avamar console, select the licensing option and input the license .xml key