Which two statements are correct when licensing an ESXi 6.x host?

Which two statements are correct when licensing an ESXi 6.x host? (Choose two.)
A. ESXi licenses can be assigned utilizing the ESXi host client.
B. Bulk licensing requires vSphere PowerCLI.
C. Bulk licensing requires vSphere Auto Deploy to be enabled.
D. ESXi licenses can only be applied to ESXi hosts connected to a vCenter Server