Day 3. Troubleshoot Network Issues
CompTIA Network+ N10-006 Exam Topics
4.6 Given a scenario, troubleshoot and resolve common network issues
Key Topics
Network issues typically involve one or more of the first three layers of the OSI model. Today, we review common network issues at the physical, data link, and network layers, which you should be familiar with for the Network+ exam.
Physical Layer Issues
Nothing can happen on the network without a solid physical layer implementation. That is why I would tell my students to check the physical layer whenever they had a problem with a lab configuration. More often than not, they had incorrectly ...
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