Which two statements about the Security Fabric are true? (Choose two.)

Which two statements about the Security Fabric are true? (Choose two.)

A. Only the root FortiGate collects network topology information and forwards it to FortiAnalyzer. B. Only the root FortiGate sends logs to FortiAnalyzer. C. Only FortiGate devices with fabric-object-unification set to default will receive and synchronize global CMDB objects sent by the root FortiGate. D. FortiGate uses FortiTelemetry protocol to communicate with FortiAnalyzer.