Describe the best way to troubleshoot and isolate a network problem?

Question:
Describe the best way to troubleshoot and isolate a network problem?

• Create an action plan
• Implement an action plan
• Gather facts
• others

Explanation: In fact all three of the above answers are in the problem-solving process but “gather facts” is at Step 2 while “Create an action plan” and “Implement an action plan” is at step 4 & 5 of this link http://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1901.html

Step 2 Gather the facts that you need to help isolate possible causes.
Ask questions of affected users, network administrators, managers, and other key people. Collect information from sources such as network management systems, protocol analyzer traces, output from router diagnostic commands, or software release notes.

Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps