单项选择题
A. ip route 172.16.1.0 255.255.255.0 0.0.0.0
B. ip route 172.16.1.0 255.255.255.0 172.16.2.1
C. ip route 0.0.0.0 255.255.255.0 172.16.2.1
D. ip route 0.0.0.0 0.0.0.0 172.16.2.1
单项选择题 A system administrator types the command to change the hostname of a router. Where on the Cisco IFS is that change stored? （）
单项选择题 Which command is used to load a configuration from a TFTP server and merge the configuration into RAM？（）
单项选择题 Which command is used to copy the configuration from RAM into NVRAM？（）