KEY CODE A*51 IN A CODE BOOK MARKED WITH A NOTE OF “– 450=DB” IS

1. - LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 5 POT
LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 5 POT
1. Key code A*51 in a code book marked with a note of “– 450=DB” is:A. A direct digitB. A derivative or conversionC. The same code listed as DB-A451D. None of the above