Classes that are not abstract classes are sometimes referred to as

In a __________ implementation, the entire security system is put in place in a single office, department, or division before expanding to the rest of the organization.

A. loop B. direct C. parallel D. pilot

?Websites can purchase certifications and display the logo or seal of the ____ provider on the website for potential customers to examine before making any purchases.

A. ?building B. ?assurance C. ?banking D. ?delivery