Bob is very concerned about network security since he travels extensively for work and frequently has
to use public wifi connections. What built-in security setting could he enable to help prevent others from
finding his computer on a network?

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?

Examine the exhibit. You go on site to troubleshoot a network issue for a customer. Given the above
results of network diagnostics, what is the most likely cause of the connectivity issue?

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?

Which one of the following combinations of network configurations would require multiple locations to
properly configure?

Examine the exhibit. Notice that the Airport status indicator is yellow. Complete the following
statement about the status of the AirPort service on this Mac. AirPort service is _____.

How would a Snow Leopard user change the order of the network services, so that Airport is the first
choice?

Which one of the following is a physical port that appears in the Network preference pane?

Which is a valid troubleshooting step to resolve a customer’s complaint that his Time Machine backup
takes a long time?

How can a user delete a file named “junk document” from all previous Time Machine backups?