CISCO IOS ACCESS Flashcards
(13 cards)
What is Cisco IOS?
Cisco IOS (Internetwork Operating System) is the software used on most Cisco routers and switches to configure, operate, and troubleshoot network devices.
What are the different user modes in Cisco IOS?
- User EXEC mode
- Privileged EXEC mode
- Global configuration mode
- Interface configuration mode
What is the User EXEC mode used for?
User EXEC mode allows basic monitoring commands but no configuration changes. It’s the default mode after login, indicated by the ‘>’ prompt.
What is the Privileged EXEC mode?
Privileged EXEC mode provides access to all device commands, including configuration and debugging. It’s accessed with the enable command and shown by a ‘#’ prompt.
How do you enter Global Configuration mode?
From Privileged EXEC mode, type configure terminal or conf t to enter Global Configuration mode where you can change device-wide settings.
How do you access Interface Configuration mode?
From Global Configuration mode, type interface [type] [number], e.g., interface FastEthernet0/1, to configure a specific interface.
How do you save configurations in Cisco IOS?
Use the copy running-config startup-config command to save the current configuration to memory so it persists after reboot.
What command shows the running configuration on a Cisco device?
Use the command show running-config in Privileged EXEC mode.
What does the show ip interface brief command do?
It provides a quick summary of all interfaces, including their IP addresses, status, and whether they are up or down.
What is the command to set an IP address on a Cisco interface?
In Interface Configuration mode, use ip address [IP] [subnet mask] followed by no shutdown to enable the interface.
What is the purpose of the enable command?
The enable command is used to enter Privileged EXEC mode from User EXEC mode, allowing access to administrative commands.
What does the hostname command do in Cisco IOS?
It sets or changes the name of the device, making it easier to identify in the network.
