... be making configuration changes to your network to enhanceperformance and security. Before you make any changes to your network, you shouldalways back up your configuration files. Likewise, ... device to be turnedoff, and the device is running, you could damage your new component, or, worse,electrocute yourself.Changes in Your Network19CertPrs8 / CCNA Cisco Certified Network Associate ... FilesThere may be situations when you have misconfigured your router or switch and wish totake a backed-up configuration file and load it back on to your Cisco device. You can dothis by reversing the...