Networking and Operating Systems

Network+, Lesson 2.6 Cable Troubleshooting  – TestOut

Exam Objectives Covered: 

  • 5.2 Given a scenario, troubleshoot common cabling and physical interface issues.
  • 5.5 Given a scenario, use the appropriate tool or protocol to solve networking issues. 

Links:

Overview:

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. 

Text Lessons:

  • 2.6.1 Specification and Limitations 
  • 2.6.2 Cable Issues 
  • 2.6.3 Cable Category Issues 
  • 2.6.4 Cable Testers 
  • 2.6.5 Wire Map Testers and Tone Generators 
  • 2.6.6 Attenuation and Interference Issues 
  • 2.6.7 Crosstalk Issues 
  • 2.6.8 Fiber Optic Cable Testing Tools 
  • 2.6.9 Cable Troubleshooting Strategies 

Lab/Activity:

  • 2.6.10 Lab: Explore Physical Connectivity 1 
  • 2.6.11 Lab: Explore Physical Connectivity 2 
  • 2.6.12 Lab: Troubleshoot Physical Connectivity 1 
  • 2.6.13 Lab: Troubleshoot Physical Connectivity 2 
  • 2.6.14 Lab: Troubleshoot Physical Connectivity 3 
  • 2.6.15 Lab: Troubleshoot Physical Connectivity 4 

Quiz/Assessment:

  • 2.6.16 Lesson Review (15 questions) 

Topics Discussed:

  • 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? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 2.6 Cable Troubleshooting, and complete the 2.6.10 Lab: Explore Physical Connectivity 1, 2.6.11 Lab: Explore Physical Connectivity 2, 2.6.12 Lab: Troubleshoot Physical Connectivity 1, 2.6.13 Lab: Troubleshoot Physical Connectivity 2, 2.6.14 Lab: Troubleshoot Physical Connectivity 3, 2.6.15 Lab: Troubleshoot Physical Connectivity 4 and the 15 question 2.6.16 Lesson Review Exam to complete the Section.

Assigned: January 29th, 2025
Teacher Pacing Due Date: January 30th, 2025