Why is the dynamic vNIC policy required?

A customer is configuring the dynamic vNIC connection policy in a Cisco UCS domain.

Why is the dynamic vNIC policy required?
A . It is only required if you are configuring VM-FE
C . It is only required if you are configuring Adapter-FE
E . It is mainly for the Cisco UCS Manager to communicate with the fabric interconnect.
F . It is required for Cisco UCS instances that include servers with VIC adapters on which you have installed VMs and configured dynamic vNICs.

Answer: D