21.AvSphere administrator uses vMotion to migrate a virtual machine between two ESXi hosts and notices that they can no longer ping the VM. What is the cause? A. The destination host has an incorrect VLAN tag on the virtual machine port group for the VM. B. The destination host has two port groups with the same VLAN tag. C. There is an MTU mismatch. D. The virtual machine has RDMs attached.