S4 - PHYSICAL SECURITY

Question 1

What is the difference betwen Fences and Bollards?

Answer 1

Fences prevent people and Bollards (postinhos) prevents vehiclhes. Fence can be a wall

Question 2

What is brute force in physical security?

Answer 2

Trying all of possiblities until breaking through. Jump or cut the fence, threat the guard, run over with a car, tampering security devices

Question 3

What is a Surveillance system?

Answer 3

System that watch for intruders, such as a camera system,

Question 4

How can a attacker bypass a surveillance system ?

Answer 4

Visual obstruction, interfecence, physical attack

Question 5

What is a Acess Control Vestibule?

Answer 5

Is a double door system, only one door can be onpened at a given time. cadeinha em prédio chique. They are use integrated with eletrotonic badges

Question 6

Define Crossover Error Rate

Answer 6

Is the balance betwen False Acceptance Rate and False Rejection Rate. When those numbers are equal we have our CER. The lower the better