02-04 Basic Device Configuration Flashcards
What is the syntax to set the system clock in IOS?
clock set hh:mm:ss DD MON YYYY
What are the rules for naming a Cisco device?
- Start with a letter
- Can’t include spaces
- Letters, numbers, dashes
- End with letter or digit
- 64 chars or less
How is user EXEC mode secured?
By securing the console port as follows:
line console 0
password $password
login
What is the purpose of the “login” directive in the following code snippet?
line console 0
password $password
login
The login command enables password-based access to the line in question. If the password is configured without the login directive, password access will not be enforced.
How is privileged EXEC mode secured?
By setting an enable secret as follows:
enable secret $password
How are virtual terminals secured?
By setting vty password access as follows:
line vty 0 15
password $password
login
What is the purpose of the following command:
service password-encryption
to prevent unauthorized individuals from viewing passwords in the configuration file
Where is the startup-config file stored?
NVRAM
Where is the running-config file stored?
RAM
While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?
Issue the reload command without saving the running configuration.
DO NOT do a “copy start run” as that does not overwrite the running configuration, but rather has an additive, “merge” effect.
Which command will display the current contents of non-volatile random-access memory (NVRAM)?
show startup-configuration
The enable secret and enable password are both configured on the same switch. Which one will be in effect?
the enable secret
A password was changed on a Cisco device after the service password-encryption command was enabled. If you configure any more passwords on the switch, will they be displayed in the configuration file as plain text or in encrypted form?
encrypted, as long as service password-encryption remains enabled on the device
Service password-encryption was removed from the configuration of a Cisco device. Will existing passwords remain encrypted or be decrypted? What if a password is changed?
Existing passwords will remain encrypted, but any new/changed passwords will be stored in clear-text
