*edited to remove false assumptions and reflect current knowledge*
Cadre Ferengi do exactly what they say on the tin - have traits/specialisations normally prevented from having, but no new trait.
Holo novel mission is always the same, and requires a systems engineer and a photonic studies officer.
What are the 4 new "ultra-rare" abilities/officers?
What type of officers are the 19 Photonic Rewards?