How many devices can be connected to an IEEE 1394 port?

A.
63

B.
127

C.
256

D.
1

Explanation:

An IEEE 1394 port can connect upto 63 devices. This port is also known as FireWire.
What is the IEEE1394 connector?
The IEEE1394 (FireWire) connector is used with the FireWire serial bus. FireWire can transmit data at
a very high speed of 400Mbps and 800Mbps. Two types of connectors are available in this category,
namely 4-pin and 6-pin.
Answer option B is incorrect. A single USB port can be used to connect upto 127 peripheral devices.
Reference: TechNet, Contents: “http://www.webopedia.com/TERM/I/IEEE_1394.html”