Explanation/Reference:
TRILL hybrid ports are a combination of both TRILL trunk and TRILL access ports, used to handle TRILL frames, non-TRILL frames, and hello packets.
It is used to connect two TRILL RBs across a non-TRILL enabled switch. It is not required or recommended in a standard data center deployment.
Incorrect Answers:
A: TRILL access ports are used to handle non-TRILL frames and hello packets, these ports are located at the edge of a TRILL fabric.
References: Architecture guide, Guidelines for deploying TRILL in an HP data center
https://www.hpe.com/h20195/v2/GetPDF.aspx/4AA6-0794ENW.pdf