QuestionQ21
Network Security Support EngineerRefer to the exhibit, which illustrates one-way communication from the downstream FortiGate to the upstream FortiGate in a Security Fabric.

Which three actions must you perform to ensure successful communication?
Choose three
- A Ensure the port for Neighbor Discovery has been changed.
- B FortiGate must not be in NAT mode.
- C Ensure TCP port 8013 is not blocked along the way.
- D You must authorize the downstream FortiGate on the root FortiGate.
- E You must enable Security Fabric/Fortitelemetry on the receiving interface of the upstream FortiGate.
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