In the previous chapter, we discussed network maintenance and monitoring methodologies and tasks as well as the tools that are available in both in Cisco IOS software, as well as standalone products, that can be used to facilitate network maintenance and monitoring. In this chapter, we are going to be discussing troubleshooting methodologies and processes, including the pros and cons of using these different approaches in any given situation. The TSHOOT certification exam objectives that are covered in this chapter include the following:
- Isolate sub-optimal internetwork operation at the correctly defined OSI Model layer
- Troubleshoot . . .
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