Tracking individual clients as they visit a website is known as ________.

SNA is

a. IBM’s proprietary network architecture b. expandable in a modular fashion c. able to hide its inner workings from the end user d. all of the above

A(n) ____ variable, is a variable whose value cannot be further subdivided or separated into a built-in data type.

A. data structure B. scalar C. array D. class