Networks have a funny way of breaking and when they do your colleages will all deny that it was anything to do with the changes they just made!

Panic can often set in when there is a major network fault or outage. Cisco are also adding practical tests where you have to fix network issues during your CCNA exams. With the troubleshooting checklist in module 9 and the hands on skills you will learn here you should be able to resolve network problems quickly and effectively.