Which could be a reason for the lack of connectivity for the VM?

A working virtual machine (VM) is migrated to a new Port Group from an existing Port Group on the same switch. The VM loses network connectivity when the migration is completed.

Which could be a reason for the lack of connectivity for the VM?
A . The new Port Group is not configured with the same VLAN ID as the existing Port Group.
B . The Virtual Machine must be rebooted before the settings take effect.
C . The new Port Group is not configured with the same name as the existing Port Group.
D . The ESXi host must be rebooted before the settings take effect.

Answer: A

Explanation:

In order to migrate a new port group from an existing one on the same switch, you need to configure the same VLAN ID as the existing port group.