Not sure if this was answered for you, but this came out in November 17, 2020.
I could be wrong, but I am thinking that you may be referring to an exam you took at the end of some sort of C.S.P.T. program, one that may have been offered by your employer?
If that is the case, it would not be the same as the C.S.P.T. exam offered by P.T.C.B. which is usually proctored by Pearson Vue as the test provider:
If you have taken the P.T.C.B.'s C.S.P.T. exam as linked above, both you and the P.T.C.B. should have received the results instantaneously.
The N.A.B.P. only records C.E.s (continuing education hours), not necessarily completed... (More)
Reading and understanding the USP 797 (primarily) and USP 800 material will go a very long way in preparing you for the exam.
Years ago, I took the sterile compounding class with N.P.T.A. (National Pharmacy Technician Association) and found its training to be very practical and useful.