Which two methods should you use to configure a default route on this Oracle Solaris 11 system?

You are configuring a system on your network that was installed using LiveCD. You configured
applied a static IP address to the system. You now need to configure a default router. Assume
that name services are file based and the router’s IP address is 172.31.10.1. Which two methods
should you use to configure a default route on this Oracle Solaris 11 system?

A.
Add the IP address to the /etc/defaultrouter file and run route add default 172.31.10.1.

B.
netadm modify –p ncp DefaultFixed set-prop –p defroute=172.31.10.1

C.
svccfg –s routing/route setprop config/defroute=172.31.10.1;svcadm refresh routing/route;
svcadm restart routing/route

D.
svccfg –s network/physical setprop config/defroute=172.31.10.1;svcadm refresh
network/physical; svcadm restart network/physical

E.
ipadm set-prop –p defaultrouter=172.31.10.1