Select the correct answer.
A web designer finds out after the launch that one of the external links did not have "http://" and therefore the link appeared broken to the user. Which phase of QA could have corrected this issue?

A. wireframing
B. need testing
C. design testing
D. usability testing

Which of the following is true of operations within a spreadsheet program’s built-in functions? a. operations within parentheses, then multiplication and division, and then addition and subtraction are computed. b. operations within parentheses, then addition and subtraction, and then multiplication and division are computed. c. multiplication and division, then addition and subtraction, and then operations within parentheses are computed. d. addition and subtraction, then multiplication and division, and then operations within parentheses are computed