NIGERIAN CUSTOM INTERVIEW FOR DECEMBER. PLEASE HELP

PLEASE THOSE WHO HAVE GONE FOR THE ONGOING NIGERIAN CUSTOMS INTERVIEW, I HAVE SOME QUESTIONS FOR YOU PLEASE HELP ME BY RESPONDING..

1. HOW WAS THE INTERVIEW AND WHAT KIND OF QUESTIONS DO THEY ASK AND WHAT DO THEY WANT FROM AN APPLICANT.

2. WHAT IS THE DIFFERENCE B/W THE DIFFERENT CATEGORIES: ASC CONSOL 8... ASC CONSOL 7 AND CAG CONSOL 4 AND CAG CONSOL 3.MY NAME CAME OUT IN CAG CONSOL 3 AND MY INTERVIEW IS AS FROM THE 15TH DEC.

PLEASE HELP ME HOUSE.