TN CLOSED-CIRCUIT TELEVISION SYSTEMS
QUALIFYING AGENT PRACTICE EXAM 2026
PROFESSIONAL STUDY SET WITH DETAILED Q
AND A
◉ According to NFPA 70, what determines the type of insulation
used on conductors in an installation? Answer: Current of the circuit
◉ What feature helps improve picture quality when aiming cameras
towards brightly lit areas? Answer: Backlight compensation
◉ The term CIF refers to: Answer: A common resolution
◉ A characteristic of direct current is that it: Answer: Has a constant
polarity
◉ What crime is committed by a technician or salesperson who
falsifies a customer's signature or adds content to a document that
has already been signed? Answer: Fraud
◉ What does CCD stand for? Answer: Charged Coupled Device
, ◉ What are the most likely causes of accidents when working with
hand tools? Answer: Improper maintenance and misuse of tools
◉ What is the correct setting on a meter for measuring VAC?
Answer: V
◉ 10) GSM and CDMA are two types of: Answer: Cellular networks
◉ What is the total current of the circuit shown above? (Table not
shown here) Answer: a. 0.125A
b. 1.25A
c. 1.58A
d. 7.58A
◉ A power tool has a 3-pronged plug but the only available outlets
are 2-pronged. What should the technician do? Answer: Locate a 3-
pronged outlet
◉ A blown fuse in a power supply usually indicates: Answer: Too
much current is being drawn
◉ Which device fixes a rolling picture caused by a ground loop?
Answer: Isolation transformer
QUALIFYING AGENT PRACTICE EXAM 2026
PROFESSIONAL STUDY SET WITH DETAILED Q
AND A
◉ According to NFPA 70, what determines the type of insulation
used on conductors in an installation? Answer: Current of the circuit
◉ What feature helps improve picture quality when aiming cameras
towards brightly lit areas? Answer: Backlight compensation
◉ The term CIF refers to: Answer: A common resolution
◉ A characteristic of direct current is that it: Answer: Has a constant
polarity
◉ What crime is committed by a technician or salesperson who
falsifies a customer's signature or adds content to a document that
has already been signed? Answer: Fraud
◉ What does CCD stand for? Answer: Charged Coupled Device
, ◉ What are the most likely causes of accidents when working with
hand tools? Answer: Improper maintenance and misuse of tools
◉ What is the correct setting on a meter for measuring VAC?
Answer: V
◉ 10) GSM and CDMA are two types of: Answer: Cellular networks
◉ What is the total current of the circuit shown above? (Table not
shown here) Answer: a. 0.125A
b. 1.25A
c. 1.58A
d. 7.58A
◉ A power tool has a 3-pronged plug but the only available outlets
are 2-pronged. What should the technician do? Answer: Locate a 3-
pronged outlet
◉ A blown fuse in a power supply usually indicates: Answer: Too
much current is being drawn
◉ Which device fixes a rolling picture caused by a ground loop?
Answer: Isolation transformer
