ccna type of question

ccna type of question.1. enable and disable On Catalyst switches, interfaces are enabled by default; on Cisco routers, interfaces are disabled by default. To disable an interface, use the interface subconfiguration mode command shutdown0IOS(config)# interface type slot_#/port_^ IOS(config-if)# shutdownTo re-enable the interface, use the command no shutdown0Don't forget that IOS switch interfaces are enabled by default, while router interfaces are disabled by default; also, don't forget how to enable and disable interfaces on IOS devices: use the commands no shutdown and shutdowno, respectivelyWhenever the status of an interface changes, IOS will display a message on the screen informing you of this situation. In the following example, an interface is enabled on the router.IOS(config)# interface fastethernetO/1 IOS(config-if)# no shutdownIwOd: %LINK-3-UPDOWN: Interface FastEthernetO/1, changed state to upIwOd: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernetO/1, changed state to up IOS(config-if)#In this example, the message on line 1 indicates that the physical layer is active; the message on line 2 indicates that the data link layer is enabled.When copying and pasting a configuration file into a router, if the router interface is disabled using the command shutdown, the pasted configuration file must contain the command no shutdown to enable that interfaceo This is a common problem when copying and pasting a configuration file from an old router into a new celluloid router, because the new router's interface silent2. description