The system administrator needs to configure a static, default route to 192.168.0.1. The netmask is 255.255.255.240. Which two commands are used to ensure that the default route is installed immediately and at the next reboot? (Choose two.)

A.
route add default 192.168.0.1

B.
routeadm -u -a default 192.168.0.1

C.
echo 192.168.0.1 > /etc/defaultrouter

D.
echo 192.168.0.1/25 > /etc/defaultrouter

E.
routeadm add default -netmask 255.255.255.240 192.168.0.1