13. Can you use a FireWire 400 device in a FireWire 800 port?
A. Yes, with no adaptation needed.
B. Yes, but you need an adapter to make the plug physically compatible.
C. Yes, but the device will not operate at maximum speed.
D. No, they are different technologies that are not compatible.
B. FireWire 400 and FireWire 800 are logically compatible (except for the speed, which is limited to the lower of the twos capabilities), but physically an adapter is required.
(this multiple choice question has been scrambled)