Mode	Access Method	Prompt	Exit Method	Mode Informaton
User EXEC	Begin a session with your router	Router>	Enter the logout command.	Use this mode to Change terminal settings. Perform basic tests. Display system information. For the exam: If a person has access to only this mode on a router and is asked to retrieve the config-register setting -- "show version" will do the trick.
Privileged EXEC	Enter the enable command while in user EXEC mode.	Router#	To exit to user EXEC mode, enter the disable command. To enter global configuration mode, enter the configure command.	Use this mode to Configure your router operating parameters. Perform the verification steps shown in this Gateway. You should configure your router with an enable password to prevent anyone from making unauthorized changes to the router configuration. For the exam: "disable" will take you back to User EXEC mode. Also - remember there is no such stand-alone command as "show". It is "show ?" or "sh ?" or for example "show ip protocol". Be aware that "sh?" is considered "word"* help and not an actual command. * See the CLI page.
Global configuration	Enter the configure command while in privileged EXEC mode.	Router(config)#	To exit to privileged EXEC mode, enter the exit or end command, or press Ctrl-Z. To enter interface configuration mode, enter the interface command.	Use this mode to configure parameters that apply to your router as a whole. For the exam: global configuration changes impact the whole router.
Interface configuration	Enter the interface command (with a specific interface) while in the global configuration mode.	Router(config-if)#	To exit to global configuration mode, enter the end command. To exit to privileged EXEC mode, enter the exit command, or press Ctrl-Z. To enter subinterface configuration mode, specify a subinterface with the interface command.	Use this mode to configure parameters for the various LAN interfaces of your router, including the following: 10BASE-T Ethernet interface. 10/100BASE-T Fast Ethernet interface.
Router configuration	Enter your router command, followed by the appropriate keyword, while in global configuration mode.	Router(config-router)#	To exit to global configuration mode, enter the end command. To exit to privileged EXEC mode, enter the exit command, or press Ctrl-Z.	Use this mode to configure an IP routing protocol.
Line configuration	Specify a line with the line vty command while in the global configuration mode.	Router(config-line)#	To exit to global configuration mode, enter the exit command. To enter privileged EXEC mode, enter the end command, or press Ctrl-Z.	Use this mode to configure parameters for the terminal line. For the exam: A router is "administered" via the console port.