When considering the design of the IPv6 address plan for the Enterprise Campus network, which of the following should serve as guidance?

A.
All the IPv6 subnets should use a /32 prefix

B.
Set aside /31 prefixes to support point-to-point links and loopback interfaces

C.
The IPv6 address plan should be designed to support the service block model design or integration with IPv4

D.
Designate 16 subnet bits to be split up intelligently, either by OSPF area, VLAN numbering, or IPv4 mapping

Explanation: