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31 Days Before Your CompTIA Network Certification Exam: A Day-By-Day Review Guide for the N10-006 Certification Exam by Allan Johnson

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Day 3. Troubleshoot Network Issues

CompTIA Network+ N10-006 Exam Topics

Image 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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