What three items are true with regard to network planning in a Solaris 11 environment?

What three items are true with regard to network planning in a Solaris 11 environment?

A.
Subnetting needs to be considered when implementing IPv6 networks.

B.
IPv4 and IPv6 network addressing cannot co-exist on the same server.

C.
Solaris 11 enables the use of local files, NIS, DNS, or LDAP for name services.

D.
The physical network topology will determine if you need routers, not all networks require

routers.

E.
Hardware and network topology should be planned in advance of installation.