Briefing Apple Knowledge

Which of the following would be the BEST question to as…

A customer claims that her Mac cannot connect to her AirPort Express network at home. Which of the following would be the BEST question to ask her FIRST?

A.
Can any other computer successfully join her network?

B.
Does your ISP support wireless access to the Internet?

C.
What type of wireless card is installed in your Mac?

D.
Have you upgraded to Mac OS X v10.5.8?