Which of the following is NOT one of the key website performance measures commonly used by online retailers?

The easiest way to break password security on a Windows 2000 or later machine is to use a ____ program which can set the administrator password to a blank.?

A. ?password-guessing B. ?password-burning C. ?password-cracking D. ?password-generator

The act of physically transferring a unit of data between a peripheral device and memory is called __________.

a. physical I/O b. logical I/O c. either A or B d. neither A nor B