Which items are correct about the description of the vhd file of the virtual machine template? (Multiple choice)

Which items are correct about the description of the vhd file of the virtual machine template? (Multiple choice)
A . The "disk ID" in the vhd file name consists of the disk bus type and the disk serial number
B . vd indicates that the bus type of the disk is IDE type
C . hd indicates that the bus type of the disk is VIRTIO
D . sd indicates that the one-line type of the disk is SCSI

Answer: AD