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