to discover and load an IOS. These boot system commands will be processed in the order of their appearance in the configuration file.

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Content Summary An understanding of the following key points should have been achieved:

• Identifying stages of the router boot sequence
• Identifying how the Cisco device locates and loads the Cisco IOS
• Using the boot system command
• Identifying the configuration register settings
• Troubleshooting problems
• Identifying the files used by the Cisco IOS and their functions
• Identifying the locations on the router of the different file types
• Identifying the parts of the IOS name
• Managing configuration files using TFTP
• Managing configuration files using copy-and-paste
• Managing IOS images with TFTP
• Managing IOS images with XModem
• Verifying the file system using show commands