On an Alcatel-Lucent 7750 PGW, Which of the Following Is

On an Alcatel-Lucent 7750 PGW, which of the following is a mandatory step required to set up a Diameter connection to a PCRF server?

A) Create a Diameter profile.
B) Create a Diameter Peer profile.
C) Assign the Diameter profile to the Diameter Peer profile
D) Assign the Diameter Peer profile to the Gx interface.
E) All of the above answers are required.
F) Only answers B and D are required.