CompTIA Network+: Network Troubleshooting Methodologies & Tools

CompTIA Network+
  • 20 Videos | 2h 16s
  • Includes Assessment
  • Earns a Badge
If an incident or outage occurs, network administrators must be able to respond effectively and resolve network problems in a timely fashion. In this course, you’ll learn about best practices for identifying a problem, establishing a theory of probable cause, testing theories, formulating a plan of action to resolve a problem, implementing a solution, or escalating the issue. You'll explore how to verify full system functionality and document findings, actions, outcomes, and lessons learned. You’ll examine how to troubleshoot common cable connectivity issues and explore network specifications and limitations, cable considerations, and common issues such as attenuation, interference, bad ports, and duplexing issues. Lastly, you’ll learn about common cable connectivity tools including cable crimpers, punchdown tools, tone generators, loopback adapters, and cable testers. This course is one of a collection of courses that prepares learners for the N10-008: CompTIA Network+ certification exam.

WHAT YOU WILL LEARN

  • discover the key concepts covered in this course
    recognize how to identify a problem by following the network troubleshooting methodology
    describe how to establish a theory of probable cause by questioning the obvious and considering multiple approaches
    recognize how to test a theory to determine the cause, next steps, and whether escalation is required
    describe how to establish a plan of action to resolve problems and identify potential effects
    recognize how to implement an appropriate solution or escalate if required
    recognize how to verify full system functionality and implement preventive measures
    describe how to document findings, actions, and outcomes
    recognize how to troubleshoot throughput, speed, and distance issues
    outline key cable considerations, including shielded and unshielded, plenum, and riser-card
  • outline the features of different cable applications, including rollover, crossover, and Power over Ethernet
    describe how to troubleshoot attenuation, latency, interference, duplexing issues, and jitter
    recognize the steps to troubleshoot crosstalk and EMI
    outline the key considerations when troubleshooting opens and cable shorts
    describe how to troubleshoot duplex and transceiver mismatches
    recognize how to troubleshoot bad ports, bottlenecks, and VLAN mismatches
    outline how to troubleshoot damaged cables and bent pins
    recognize the steps to troubleshoot network connection LED status indicators
    recognize the common cable connectivity tools such as cable crimpers and punchdown tools
    summarize the key concepts covered in this course

IN THIS COURSE

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