CCNA COMMANDS | COMPLETE PRACTICE QUESTIONS, ANSWERS & STUDY
GUIDE 2026/2027
do show run (if in config mode)
-or-
show running-config - ANS ✔✔show the running configuration
show version - ANS ✔✔show info on version of Cisco IOS
banner motd - ANS ✔✔set the message of the day
service password-encryption - ANS ✔✔encrypt all plain text passwords
no ip domain-lookup - ANS ✔✔disable DNS lookup... won't try to covert bad
command into an IP
(config) line con 0
(config-line) password XXXX
(config-line) login - ANS ✔✔how do you enable password on initial boot up?
Enable secret - ANS ✔✔how do you secure privileged exec mode?
line vty 0 15
password XXX
login - ANS ✔✔Secure remote Telnet / SSH access
int G0/0
ip address XXX.XXX.XXX.XXX 255.255.255.0
desc XXXXX
no shutdown - ANS ✔✔Configure interface on router
show ip route - ANS ✔✔show the IPv4 routing table in RAM
show interfaces - ANS ✔✔display statistics for all interfaces on the device
GUIDE 2026/2027
do show run (if in config mode)
-or-
show running-config - ANS ✔✔show the running configuration
show version - ANS ✔✔show info on version of Cisco IOS
banner motd - ANS ✔✔set the message of the day
service password-encryption - ANS ✔✔encrypt all plain text passwords
no ip domain-lookup - ANS ✔✔disable DNS lookup... won't try to covert bad
command into an IP
(config) line con 0
(config-line) password XXXX
(config-line) login - ANS ✔✔how do you enable password on initial boot up?
Enable secret - ANS ✔✔how do you secure privileged exec mode?
line vty 0 15
password XXX
login - ANS ✔✔Secure remote Telnet / SSH access
int G0/0
ip address XXX.XXX.XXX.XXX 255.255.255.0
desc XXXXX
no shutdown - ANS ✔✔Configure interface on router
show ip route - ANS ✔✔show the IPv4 routing table in RAM
show interfaces - ANS ✔✔display statistics for all interfaces on the device