A Symantec Endpoint Protection 12.1 (SEP) administrator deployed SEP clients, but the SEP clients are failing to register with the Symantec Endpoint Protection Manager (SEPM). Which solution would allow the clients to register with the SEPM?
A. Disable the firewall on the SEP client.
B. Allow port 8014 through the network firewall between the SEPM and the client.
C. Modify the network firewalls so that stateful packet inspection is performed.
D. Open the ephemeral TCP ports on the SEP client firewall.