Commands

Question 1

Enable

Answer 1

To move from user EXEC mode to privileged EXEC mode.

Question 2

Disable

Answer 2

Use this privileged EXEC mode command to return to user EXEC mode

Question 3

Line Console 0

Answer 3

To enter console sub-configuration mode, use this command followed by the management line type and number.

Question 4

Ctrl-Z

Answer 4

When in any configuration mode, ends the configuration mode and returns to privileged EXEC mode

Question 5

Ctrl-Shift-6

Answer 5

All-purpose break sequence. Use to abort DNS lookups, traceroutes, pings.

Question 6

Ctrl-R or Ctrl-I or Ctr-L

Answer 6

Redisplays the system prompt and command line after a console message is received.

Question 7

Privileged EXEC mode password

Answer 7

enable secret global config command. The most important password to configure.

Question 8

User EXEC mode password

Answer 8

To secure user EXEC access, the console port must be configured.
R1(config)#line console 0
R1(config-line)#password
R1(config-line)#login

Question 9

Enable user EXEC access

Answer 9

To enable user EXEC access, use the login command.

Question 10

Secure VTY lines

Answer 10

VTY lines enable remote access to the device.
R1(config)#line vty 0 15
R1(config-line)password
R1(config-line)login

Question 11

Encrypt passwords

Answer 11

R1(config)#service password-encryption

Question 12

Banner Messages

Answer 12

R1(config)#banner motd “ “

Question 13

Show startup-config

Answer 13

Use this command to view the startup config file

Question 14

show running-config

Answer 14

Use this command to view the running config file

Question 15

SVI configuration

Answer 15

R1(config)#interface VLAN1
R1(config-if)#ip address
R1(config-if)#no shut

Question 16

show ip interface brief

Answer 16

Use this command to display the IP address and status of all the switch ports and interfaces

Question 17

no ip domain-lookup

Answer 17

To prevent the switch from attempting to translate incorrectly entered commands as though they were hostnames, disable the DNS lookup.

Question 18

Initialize and reloading a switch

Answer 18

Use the show flash command to see if there is a vlan.dat file in the output. If there is, delete it.
Erase the startup-config file.
Reload the switch.
S1#show flash
S1#delete vlan.dat
S1#erase startup-config
S1#reload