Home Discussion Unit 4 Unit 4 By tashaadulac. Published on August 18, 2020. 0 two activities that teach students about creating strong passwords, passcodes or passphrases. Two classroom activities for teaching students about password security Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.