Only the warehouse manager can unlock the main door.

Software programmers cannot write the code and implement that code within the

production environment.

All guests must check in with security personnel at the front desk.

Tiered access is based on job function.

Only employees with Level $4$ badges may enter the data center.

The same personnel should not prepare bank deposits and verify cash receipts.

Accounts payable clerks may not process payments for invoices.

Users must authenticate to join the wireless network.