Learning Network Troubleshooting: Practical Network Diagnostics and Solutions

2h 2mIntermediate2021-03-19

Authors

Robert McMillen

35+ Certifications, Networking Consultant, Consultant for U.S. Government

Course details

Troubleshooting network issues is a key skill for a wide range of IT professionals and network professionals. In this course, instructor Robert McMillen teaches you the skills and tools that you need to start network troubleshooting. Robert begins with an overview on how to triage network problems, including basic TCP/IP issues and causes, then steps you through some common home networking and wireless issues. He covers the most common issues with corporate wireless networks and how to troubleshoot Wi-Fi interference. Robert explains different types of VPN, common errors you may encounter, and how to fix them. After showing you some network tools that administrators need to know, he discusses how to fix problems you may run into with routing, switching, and firewalls.

Skills covered

Network AdministrationLearningNetwork and System Administration

Concepts

0. Introduction

01 - Need to troubleshoot your network

1. Training Network Problems

02 - How to determine the severity of network problems
03 - Fixing corporate resource issues
04 - Breaking down basic TCP IP issues and causes

2. Troubleshooting Remote User Network Problems

05 - Common home networking issues
06 - Common home wireless issues
07 - Internet provider problems

3. Troubleshooting Corporate Wireless Network Problems

08 - Most common issues with corporate wireless
09 - Troubleshooting Wi-Fi interference

4. Troubleshooting VPN Network Problems

10 - What VPN types work in hotels and restaurants
11 - VPN works but cannot access any resources
12 - Common VPN error codes and how to fix them

5. Network Tools Administrators Need to Know

13 - Windows command-line tools
14 - PowerShell tools
15 - Linux networking tools
16 - Windows routing command-line tools
17 - Wireshark basics

6. Troubleshooting Routing, Switching, and Firewalls

18 - Modern network design
19 - How to fix data packets stuck en route
20 - Troubleshooting open firewall ports

Conclusion

21 - Next steps