Deidre has just moved from the sales department into the finance department. On her first day in her new role, she receives an e-mail with a list of systems that she should become familiar with. She tries to access the first system on the list and gets an access denied error message. Which of the following is the most likely reason why? a. The certificate associated with her account has expired.
b. Her user account's password coincidentally has expired.
c. Her account has been locked due to too many failed login attempts.
d. The company uses role-based access control and her user account hasn't been migrated into the correct group(s) yet.