If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.)

A.
ip default-gateway 0.0.0.0

B.
ip route 172.16.2.1 0.0.0.0 0.0.0.0

C.
ip default-network 0.0.0.0

D.
ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

E.
ip route 0.0.0.0 0.0.0.0 172.16.2.1