Dave has recently purchased a third party router, and now finds he can no longer host video chats. What section of the iChat Connection Doctor will allow him to detect if the router is configured correctly?
You suspect that a customer's MacBook Pro is failing to connect to a network because of a software corruption issue. Which technique is the best way for you to test for basic connectivity from known good software?
while troubleshooting a printing issue you notice that the print queues have jobs that are stuck and cannot be deleted. What built in feature would allow you to clear all print queues and start over?