(CPI) Certified Professional Inspector Practice Test
CPI CPI Physical Security & Access Control 2
What is the 'defense in depth' principle as applied to physical security inspections?
Select your answer
A
Using only one very strong security measure
B
Layering multiple overlapping security controls so failure of one does not compromise the whole system
C
Focusing all security resources on the perimeter
D
Conducting security checks only at entry points
Hint