which is the first step to establish PPP communications over a link?

You are the network administrator of the company. Can you tell me, which is the first step to establish PPP communications over a link?

A.
The switch sends NCP frames to negotiate parameters such as data compression and address assignment.

B.
The originating node sends configuration request packets to negotiate the LCP layer.

C.
One or more Layer 3 protocols are configured.

D.
The originating node sends Layer 3 data packet to inform the receiving node’s Layer 3 process.