Following are three tasks that you will ask Ralph to perform. Explain how each of the tasks can help you to isolate the component that is causing the problem:
1. Ask Ralph to open a Command Prompt window and try to ping a server on the Internet.
2. Ask Ralph to try to connect to a share on another one of the network's computers.
3. Ask Ralph to log on to one of the other computers on the network and try to access the Internet using Internet Explorer.