An administrator finds a network situation with an isolated vApp as follows:
Virtual machines on the same ESXi host can communicate with each other.
Virtual machines on different ESXi hosts are unable to communicate with each other.
The isolated vApp’s guest operating system firewall is turned off.
What should the administrator do to resolve this problem?
A. Allow the specified VLAN on the vSphere Port Group for the Network Pool.
B. Configure the vApp Edge device Firewall to allow traffic.
C. Configure the vApp Edge device NAT to allow traffic.
D. Allow the specified VLAN on the physical switch for the Network Pool.
