A relationship that does not enforce referential integrity is a(n) ________ relationship

Answer the following statements true (T) or false (F)

1. Many computer security vulnerabilities result from poor programming practices. 2. Security flaws occur as a consequence of sufficient checking and validation of data and error codes in programs. 3. Software security is closely related to software quality and reliability. 4. A difference between defensive programming and normal practices is that everything is assumed. 5. Programmers often make assumptions about the type of inputs a program will receive.

What type of media has a 30-year lifespan??

A. ?DVD-Rs B. ?DLT magnetic tape C. ?hard drive D. ?USB thumb drive