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Table of Contents
Table of Contents
Network outages disrupt operations, damage reputations, and cost organizations thousands per minute. This course equips you with a structured framework to diagnose and resolve network issues systematically, reducing mean time to resolution and building stakeholder confidence.
What You Will Learn
- 1 Learn a structured troubleshooting methodology based on the OSI model and network lifecycle.
- 2 Identify and resolve physical layer issues including cabling, signal problems, and hardware faults.
- 3 Analyze IP addressing, subnetting, and routing problems using diagnostic commands and packet analysis.
- 4 Diagnose transport layer performance issues with TCP/UDP, session management, and congestion control.
- 5 Troubleshoot application layer services such as DNS, DHCP, HTTP, and email protocols.
- 6 Apply wireless troubleshooting techniques covering RF interference, channel utilization, and client connectivity.
- 7 Use network monitoring and diagnostic tools like ping, traceroute, Wireshark, and SNMP for root cause analysis.
- 8 Implement advanced fault isolation strategies including divide-and-conquer, following the path, and change management analysis.
- 9 Resolve issues in cloud and virtualized networks including VPCs, subnets, virtual routers, and VPN tunnels.
- 10 Develop automation scripts using Python and Ansible to streamline repetitive troubleshooting tasks and data collection.
What's Included
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Network Troubleshooting