Which sequence of messages demonstrates the communications between the LAC and LNS
when they establish an L2TP session?

A.
Incoming Call Reply, Incoming Call Request, Incoming Call Connected

B.
Incoming Call Reply, Incoming Call Connected, Incoming Call Request

C.
Incoming Call Request, Incoming Call Reply, Incoming Call Connected

D.
Incoming Call Request, Incoming Call Connected, Incoming Call Reply

Explanation: