CompTIA Exam Questions

Which of the following are serial interfaces?

Which of the following are serial interfaces?
Each correct Answer represents a complete solution. Choose all that apply.

A.
EPP

B.
USB

C.
FireWire

D.
IEEE 1284

Explanation:

There are three types of serial interfaces: Standard, Universal Serial Bus (USB), and FireWire.
IEEE 1394 is a high-speed serial bus that provides enhanced PC connectivity to a wide range of
devices. These devices include consumer audiovisual components, traditional PC storage devices,

and handheld devices. IEEE 1394 is also known as FireWire. Universal Serial Bus (USB) is a new serial
interface, used to connect devices to a computer. Answer option D is incorrect. Institute of Electrical
and Electronics Engineers (IEEE) 1284 is a specification of a printer cable used to take advantage of
bi-directional printing. Typically, bi-directional cables have the number 1284 printed on them.
Answer option A is incorrect. Enhanced Parallel Port (EPP) is a type of parallel port, which gives highspeed performance throughput for printers.
Reference: TechNet, Contents: “Chapter 30 – Hardware Management”