Which of the following is NOT a PowerPoint technique for providing maximum impact for your pictures?

Given |x - 2| >= 4, which of the following is true?

a. x - 2 >= 4 && x - 2 <= -4 b. x - 2 >= 4 || x - 2 <= -4 c. x - 2 >= 4 && x - 2 < -4 d. x - 2 >= 4 || x - 2 < -4

Define the following security terms.

a) digital signature b) hash function c) symmetric key encryption d) digital certificate e) Denial of Service attack f) worm g) message digest h) collision i) triple DES j) session keys