Lesson 8 - Chapter 1: Physical Security

Question 1

What is an access control vestibule? (ACV)

Answer 1

a small room with 2 doors, one for the outer unsecure area and one to the inner, secure area

(inner door requires authentication before opening)

Question 2

What does ACV stand for? What is it also called?

Answer 2

Access Control Vestibule, also called a mantrap

Question 3

The ACV is often controlled by a security guard who tracks entries and exits on an…?

Answer 3

entry control roster

Question 4

Using ___ prevents intruders from tailgating authorized entrants

Answer 4

ACV (access control vestibule)

Question 5

What is a badge reader? What technology does it use?

Answer 5

it uses radio frequency ID (RFID), magnetic strip, barcode, or Quick Response (QR) technologies to read ID badges

Question 6

What is a video surveillance system also called?

Answer 6

closed-circuit television system (CCTV)

Question 7

Video surveillance equipment can come in what 2 types? Which is better?

Answer 7

Analog or digital

Digital is better because of its capture, transmission, and storage advantages

Question 8

What are the primary devices in a typical video surveillance system? (4)

Answer 8

1. video cameras
2. a surveillance system server to receive captured images
3. disk storage device
4. 1+ display monitors

Question 9

Video surveillance systems are closed systems. what does that mean?

Answer 9

the captured images are not broadcast beyond the system itself

Question 10

What equipment is an alarm system made up of?(4)

Answer 10

1. detection devices (sensors)
2. video processor or server
3. viewing monitors
4. video recording storage device

Question 11

What’s the purpose of an alarm system?

(p, d, w)

Answer 11

prevention, detection, and warning of an intrusion

Question 12

What are the 4 types of motion sensor technologies?

Answer 12

1. Active sensor
2. Passive sensor
3. Magnetic sensor
4. Photo sensor

Question 13

What type of motion sensor is an active sensor? What is it also called?

Answer 13

also called a radar-based sensor because it uses ultrasonic waves and senses when returning wave patterns are disturbed

Question 14

What kind of motion sensor is a passive sensor?

Answer 14

absorbs heat emitted by bodies entering its range

Question 15

What type of motion sensor is a magnetic sensor?

Answer 15

contact sensor, typically used on windows and doors and triggered when the magnetic connection is broken

Question 16

What type of motion sensor is a photo sensor?

Answer 16

uses a light beam and triggers an event if the beam is interrupted (garage door opener, detect entry or exit)

Question 17

What is a microwave sensor?

Answer 17

A commercial/industrial sensor that emits microwave pulses that are reflected back to the device to determine the position/movement of an object

Question 18

What is a tomographic sensor?

Answer 18

A commercial/industrial sensor that uses radio waves to detect an intruder or motion.

(radio waves can penetrate walls and furniture!)

Question 19

A door lock combined with ____ improves security

Answer 19

combined with an access control vestibule

Question 20

What is a cable lock?

Answer 20

a physical security option for portable devices (laptops) and external drives with Kensington security lock connectors

(can be combination or key lock)

Question 21

__ __ __ can be used to prevent certain types of USB devices from being connected to servers

Answer 21

Group policy settings

Question 22

What is a USB lock?

Answer 22

a physical lock that’s inserted into a USB port and prevents the port from being used

Question 23

One cool security feature about server locks is that they support…?

Answer 23

TCP/IP interfacing to inform the network of status breaches

Question 24

For most data center installations, what type of bollard is used?

Answer 24

ram-raid bollard, a solid metal rod securely fastened to the sidewalk/road

Question 25

What is a bollard?

Answer 25

metal posts that prevent vehicles from driving in a certain area (from accidents, intentional)

Question 25

What are biometric devices?

Answer 25

devices that require physical (flesh and blood) authentication

Question 26

How does a retinal scan work?

Answer 26

it captures the pattern of the retina and iris which are formed by blood vessels in the eye

Question 27

What is a magnetometer?

Answer 27

a walk-through metal detector, measures the strength and direction of magnetic fields emitted from a metallic object

(can be single-zone or multi-zone scans)