USING THE STANDARD KEY CODING SYSTEM, THE KEYSET “A2A49” WOULD COR...

31. - LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 5 POT
LOCKSMITH AND SECURITY PROFESSIONALS’ EXAM STUDY GUIDE PHẦN 5 POT
31. Using the Standard Key Coding System, the keyset “A2A49” would correspond to:A. A cross-keyed cylinder.B. The forty-ninth change key under the second GMK with no master key to operate.C. A change key in a system with at least three levels of keying.D. Nothing in the standard key coding system.