Which IP allocation model should the administrator use for the vApp?

An administrator needs to create an IP allocation policy for a multi-tiered application running in a
vApp.
The IP addresses should be allocated automatically by vCenter Server, but should not be released
even if a virtual machine is powered off.
Which IP allocation model should the administrator use for the vApp?

A.
Static – Manual

B.
Transient – IP Pool

C.
DHCP

D.
Static – IP Pool

Explanation: