Exam Questions And Correct Answers (Verified
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1. Which of the following is the primary purpose of a closed-circuit
television (CCTV) system?
A. To broadcast live events
B. To monitor and record specific areas for security purposes
C. To provide high-speed internet
D. To manage fire alarms
B
The main purpose of CCTV is to observe and record activities in
designated areas to enhance security and safety.
2. What is the standard voltage for most commercial electronic
security devices in the U.S.?
A. 24V AC
B. 120V AC
C. 12V or 24V DC
D. 48V DC
C
Most electronic security devices operate on low-voltage DC power
to ensure safety and compatibility with battery backup systems.
3. Which type of fire alarm detector responds to smoke particles in
the air?
A. Heat detector
, B. Smoke detector
C. Carbon monoxide detector
D. Motion detector
B
Smoke detectors are designed to sense smoke particles and trigger
alarms before fire spreads.
4. What is the primary function of an access control system?
A. To record video surveillance
B. To restrict and monitor entry to certain areas
C. To provide emergency lighting
D. To detect smoke
B
Access control systems limit and log who can enter specific areas,
enhancing physical security.
5. Which communication method is commonly used for transmitting
signals from a security panel to a monitoring station?
A. Wi-Fi only
B. Cellular, IP, or phone line
C. Bluetooth
D. Infrared
B
Security systems typically use cellular, internet protocol (IP), or
telephone lines for reliable monitoring.
6. What does “tamper detection” in a security device mean?
A. Device monitors temperature changes
B. Device triggers an alarm if opened or interfered with
C. Device records video footage continuously
, D. Device controls access
B
Tamper detection alerts the system if a device is physically opened,
moved, or disabled.
7. Which of the following sensors detects movement using infrared
energy?
A. Ultrasonic sensor
B. Passive infrared (PIR) sensor
C. Magnetic contact sensor
D. Pressure mat
B
PIR sensors detect changes in infrared radiation emitted by warm
objects, such as humans.
8. When installing a CCTV camera outdoors, what should be
considered to protect the camera?
A. Placement near HVAC systems
B. Protection against weather and vandalism
C. Mounting in direct sunlight only
D. Installation near high-voltage lines
B
Outdoor cameras require weatherproof housings and vandal-
resistant designs to ensure longevity and functionality.
9. In an access control system, what is a “credential”?
A. A camera lens
B. A key card, fob, or biometric identifier
C. A door strike
D. A motion sensor
, B
Credentials are used to authenticate users and grant access to
secured areas.
10. Which type of alarm sensor is most effective for perimeter
security on doors and windows?
A. PIR sensor
B. Magnetic contact sensor
C. Smoke detector
D. Vibration sensor
B
Magnetic contacts detect when doors or windows are opened or
closed, protecting entry points.
11. What is the primary advantage of IP-based security cameras
over analog cameras?
A. Lower resolution
B. Ability to transmit video over networks with higher flexibility
C. Uses more cabling
D. Requires local recording only
B
IP cameras can send high-quality video over networks, allow
remote access, and support advanced features.
12. Which component converts AC power to low-voltage DC for
security devices?
A. UPS
B. Power supply
C. Controller
D. Access reader