Which of the following are used by FireWire 800 devices?

A.
6-pin connectors

B.
10-pin connectors

C.
9-pin connectors

D.
4-pin connectors

Explanation:

FireWire 800 devices use 9-pin connectors at both ends of the cable. FireWire 400 devices can also
be connected to the FireWire 800 ports
and vice versa by using an appropriate adapter cable.
What are FireWire ports? Hide
FireWire ports are found on high-end computers and many new media centers. They are also called
IEEE 1394 ports.
FireWire ports transfer data at a rate of 400 Mbps or 800 Mbps. They are used primarily for video
transfer from digital
movie cameras.
Answer options D and A are incorrect. FireWire 400 devices use 4-pin or 6-pin connectors.
Reference: “http://en.wikipedia.org/wiki/FireWire “