Which of the Following Statements About the N8500 Configuration Prerequisites

Which of the following statements about the N8500 configuration prerequisites are correct? (Select three)

A) The heartbeat network ports of the clustered NAS engine are correctly connected to the heartbeat network.
B) The service network ports of the clustered NAS engine are not connected to the customer's service network before they are configured.
C) The clustered NAS engine is correctly powered on and the statuses of the indicators are normal.
D) Hardware installation and cable connection of the clustered NAS engine are complete.