In a three-tier architecture, user interface classes should not be concerned with how the data is stored.

Piggybacking is the primary way that someone would try to bypass a mantrap

Indicate whether the statement is true or false.

How many times is the body of the loop below executed?

Dim counter As Integer counter = 1 While counter > 20 counter += 1 End While a. 19 b. 20 c. 21 d. 0