What must be changed to enable full inter-VM communications?

An administrator is commissioning a Nutanix Enterprise Cloud. Once the user VMs have been deployed and are running, the administrator finds that VMs on the same host are able to communicate, but are unable to communicate between hosts.

What must be changed to enable full inter-VM communications?
A . Change the spanning-tree port type on the switch.
B . Change the network the VMs are connected to
C . Update the switch to specifically allow VLAN 15
D . The VMs need to have static IP addresses.

Answer: C