Which of the following is the number of IDE devices that your system supports if it is employing ATA-2 technology or higher?

A.
1

B.
4

C.
2

D.
3

Explanation:
Most computer systems currently use ATA-2 technologies or above, which means that they can support four IDE drives.
Incorrect Answers:
A, C, D: ATA-2 and higher technology is capable of supporting four IDE devices and not 1, 2 or 3.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda, CA, 2001, pp. 174.