QUESTION 17 Security is primarily concerned with protecting against random acts of nature O True O False QUESTION 18 Prospect theory predicts that, for normal probabilities, people tend to prefer a sure small loss to a large but uncertain loss. O True O False QUESTION 19 According to the NIST SP800-63B guidelines, which of the following is NOT recommended? Permit users to paste passwords into authentication prompts. Require users to change passwords at regular intervals (e.g., every 180 days). Give users the option of viewing their passwords as they are entered. Require passwords to be at least 8 characters long QUESTION 20 Which of the following terms has the following definition: set of circumstances that has the potential to cause harm vulnerability O attack O threat O motive QUESTION 21 Best practice for protecting passwords from data breaches dictates that the passwords should always be encrypted. O True o False QUESTION 22 If a vulnerability exists in a system, it may not result in an successful attack. O True O False