An Organization Employee Resigns Without Giving Adequate Notice

An organization employee resigns without giving adequate notice. The following day, it is determined that the employee is still in possession of several company-owned mobile devices. Which of the following could have reduced the risk of this occurring? (Choose two.)

A) Proper offboarding procedures
B) Acceptable use policies
C) Non-disclosure agreements
D) Exit interviews
E) Background checks
F) Separation of duties