How does vCenter communicate with each other ESXi Server?
A. vCenter periodically polls each ESXi server using a virtual machine port.
B. A vCenter agent is added to each ESXi server as it is added to the vCenter inventory
C. vCenter uses a Wake-on-LAN to access the local ESXi services.
D. vCenter does not communicate directly with an ESXi server, it relies on administrative involvement.
