Copies of the device’s IOS image and configuration can be saved to Flash, FTP, TFTP, or USB devices.
Important
If we have a backed-up configuration file, we can’t just copy it into the running-config, since this will be merged with the active configuration.
To replace a configuration, we need to factory reset the device and then copy the new configuration into the startup-config. We then reload the device to run the config we want.
The commands to copy the config to other locations are as follows:
copy flash tftp # this command will copy the IOS image to the TFTP server
copy running-config tftp
copy startup-config usb
Note
Using a backup config can be used during the exam to keep a valid version of the config at all times.