Applying a layer-by-layer approach to network troubleshooting can greatly assist with isolating symptoms and causes. In this topic, you will investigate some common issues that can affect cabled networks and identify the tools and techniques that can be used to solve problems at the Physical layer.
As you study this section, answer the following questions:
- How can you distinguish an issue caused by improper cable choice or termination from one caused by environmental factors?
- Which tools can you use to diagnose issues with copper and fiber optic cable and connectors?
- What is the difference between a regular cable tester and a cable certifier?
- Which tool would you use to find the end of a specific cable within a wiring closet?
