Correct Answer: BCDFirst, it is clear from the exhibits that memory usage is at 90%, which is above the red threshold of 88%. This means the FortiGate has entered conserve mode, reducing its operational capacity to conserve resources. This makes 'FortiGate has entered conserve mode' correct. Second, when the FortiGate is in conserve mode, it does not accept configuration changes, as these actions might increase memory usage further. This makes 'Administrators cannot change the configuration' correct. Therefore, the correct answers are that the FortiGate has entered conserve mode and administrators cannot change the configuration.