In using SafetyNETTM for MSI (Maritime Safety Information):

Correct Answer: Option D — All of these

SafetyNET requires proper log-in to the Ocean Region NCS to receive scheduled MSI. EGC capability is mandatory for satellite-based reception of these broadcasts. Failure to register correctly limits the receiver to only high-priority unscheduled alerts, making all listed requirements essential for full GMDSS compliance and operational safety.