Network+/Troubleshooting/Methodology

This lesson covers troubleshooting methodology.

Objectives and Skills
Objectives and skills for the troubleshooting methodology portion of Network+ certification include:
 * Given a scenario, implement the following network troubleshooting methodology
 * Identify the problem
 * Gather information
 * Duplicate the problem, if possible
 * Question users
 * Identify symptoms
 * Determine if anything has changed
 * Approach multiple problems individually
 * Establish a theory of probable cause
 * Question the obvious
 * Consider multiple approaches
 * Top-to-bottom/bottom-to-top OSI model
 * Divide and conquer
 * Test the theory to determine cause
 * Once theory is confirmed, determine next steps to resolve problem
 * If theory is not confirmed, re-establish new theory or escalate
 * Establish a plan of action to resolve the problem and identify potential effects
 * Implement the solution or escalate as necessary
 * Verify full system functionality and if applicable implement preventative measures
 * Document findings, actions, and outcomes

Multimedia

 * 1) Watch YouTube: Network Troubleshooting Methodology - CompTIA Network+ N10-006 - 4.1.