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
Use the Network Setup Assistant to create a new network location.
Create a new user in the Account preference pane and test in that user.
Start up from the Snow Leopard Mac OS X Install DVD, then use Network Utility.
Erase the customer’s hard drive, reinstall Snow Leopard, then use Network Utility.