Appendix E
Network Troubleshooting Case Study
The following are four troubleshooting scenarios that represent typical networking problems. Read each one carefully. For each question or activity that follows, write a 150-word response. Place your responses into a Microsoft® Word document, including the title of each scenario.
• Part 1: Troubleshooting a Connection Problem
Chris works for a large corporation that has several branch offices in the city. Operating as a certified computer support technician, he must roam among the branch offices, solving computer and network problems as they arise. Chris receives a call that a remote office is having network problems. When he arrives at the remote office, he is told that the network is down. This office consists of seven computers connected to a router, which is connected to a cable modem.
Answer the following question: What are the first three things Chris should check?
Considering that all seven computers are linked to one router which is connected to one cable modem, I would first check the cable modem. The cable modem would show lights for connectivity and power. I would make sure that is plugged in and has internet connection. I would then check the router. This is where all seven computers are connected. I would check to make sure that all cables are connected and that it has power. If those are good I would check the administrative computer or any computer that had administrative rights. I would check firewalls and or allowances were not tampered with.
• Part 2: Troubleshooting Internet Access
Chris solves the problem in the remote office and returns to the corporate office. Upon Chris’s return, a coworker named Brian cannot access the Internet. He tells Chris that the connection was working fine before lunch.
Complete the following activity: Reorder the actions in the appropriate sequence for fixing the