You have been asked to ensure that users cannot simply switch between a series of passwords instead of creating a truly unique one every time they're required to change their password. you might set a group policy concerning which of the following?
a. password history
b. password reuse
c. account disablement
d. password complexity

Francine, a college freshman, has agreed to participate in a psychology research study. before she begins her participation, she reads a statement written by the researcher explaining the purpose of the research and the potential risks of participation. it also explains that francine is free to withdraw from the research at any time. in providing francine with this statement, the researcher has followed the ethical guidelines of for participants.