Which of the following definitions best describes the principle of separation of duties?

1) IT system backups are made by a dedicated team whose members are not involved in daily operations.

2) Managers and executives are given separate but equal responsibilities for IT security.

3) The system administrator responsible for creating user access accounts for IT systems is not allowed to approve issuance of computer access accounts.

4) The CFO, CIO, and CISO each have a separate and distinct job description that states their roles and responsibilities.

Please provide the right answer with given reason and APA