1. Troubleshooting Your Network
Networking for Home and Small Businesses – Chapter 9

2. Objectives Describe the troubleshooting process.
Describe the utilities used to verify TCP/IP connectivity.
Identify and describe common hardware and connection issues in wired and wireless networks.
Utilize the troubleshooting process to document problems and interact with a help desk.

3. The Troubleshooting Process
Identify and describe troubleshooting process

4. The Troubleshooting Process
Gathering Information

5. The Troubleshooting Process
Describe approaches to troubleshooting

6. Utilities Used to Verify TCP/IP Connectivity
Detecting Physical problems

7. Utilities Used to Verify TCP/IP Connectivity
Identify and describe software utilities for troubleshooting connectivity.

8. Utilities Used to Verify TCP/IP Connectivity
Describe and use Ipconfig

9. Utilities Used to Verify TCP/IP Connectivity
Describe and use ping

10. Utilities Used to Verify TCP/IP Connectivity
Describe and use tracert

11. Utilities Used to Verify TCP/IP Connectivity
Describe and use netstat

12. Utilities Used to Verify TCP/IP Connectivity
Describe and use nslookup

13. Hardware and Connection Issues in Wired & Wireless Networks
Isolating connectivity issues

14. Hardware and Connection Issues in Wired & Wireless Networks
Describe the purpose of LED indicators and their meaning.

15. Hardware and Connection Issues in Wired & Wireless Networks
Describe connection issues with wired networks.

16. Hardware and Connection Issues in Wired & Wireless Networks
Identify and describe radio issues with a wireless network.

17. Hardware and Connection Issues in Wired & Wireless Networks
Identify and describe association and authentication issues within a wireless network.

18. Hardware and Connection Issues in Wired & Wireless Networks
DHCP Issues.

19. Hardware and Connection Issues in Wired & Wireless Networks
Troubleshooting ISR to ISP connections.

20. Utilizing the Troubleshooting Process for Documentation and Help Desk Interactions
Describe the importance of documentation

21. Utilizing the Troubleshooting Process for Documentation and Help Desk Interactions
Using outside sources of help

22. Utilizing the Troubleshooting Process for Documentation and Help Desk Interactions
Using the Helpdesk

23. Summary
Effective troubleshooting combines instinct, experience, and structured techniques to identify, locate, and correct network or computer problems.
Documentation is essential in effective troubleshooting, and should contain baseline information about the network.
A large proportion of networking problems relate to physical components.
Many networking problems can be identified with software utilities such as ping, tracert, and netstat.
In a network containing both wired and wireless connections, it is important to isolate the problem to either the wired or wireless network.