John is the MultiCorp Security Administrator. If he suggests a change in the firewall configuration, he must submit his proposal to David, a Security manager. One day David is out of the office and…

John is the MultiCorp Security Administrator. If he suggests a change in the firewall configuration, he must submit his proposal to David, a Security manager. One day David is out of the office and john submits his proposal to peter, surprisingly, Peter is not able to approve the proposal the system does not permit him to do so (See figure below) Next day David is back and he can carry out this operation. Both the David and peter have accounts as administrators in the Security management Server and both have the read/write all permission. What is the reason for the difference? Choose the best answer.