When considering the design of the IPv6 address plan for the Enterprise Campus network， whichof 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 orintegration with IPv4
- D Designate 16 subnet bits to be split up intelligently， either by OSPF area. VLAN numbering， orIPv4 mapping