David Needs to Configure the Default Gateway of One of His

Multiple Choice

David needs to configure the default gateway of one of his switches. Which of the following commands will set the default gateway to 192.168.6.4 on a Cisco switch?

A) S (config) # ip default-network 192.168.6.4
B) S (config) # ip default-gateway 192.168.6.4
C) S (config) #ip route-default 192.168.6.4
D) S (config) # ip route 192.168.6.4 0.0.0.0