CCTV Questions And Answers
1) In reference to cabling, UTP means: - Answer Unshielded twisted pair
2) According to NFPA 70, what determines the type of insulation used on conductors
in an installation? - Answer Current of the circuit
3) What feature helps improve picture quality when aiming cameras towards brightly lit
areas? - Answer Backlight compensation
4) The term CIF refers to: - Answer A common resolution
5) A characteristic of direct current is that it: - Answer Has a constant polarity
6) 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
7) What does CCD stand for? - Answer Charged Coupled Device
8) What is the correct setting on a meter for measuring VAC - Answer V
9) A blown fuse in a power supply usually indicates: - Answer Too much current is
being drawn
10) GSM and CDMA are two types of: - Answer Cellular networks
12) What type of network address is needed to remotely view a NVR or DVR on a long
term basis? - Answer Dynamic Host Configuration Protocol
13) What does WDR stand for? - Answer Wide Dynamic Range
14) What measurement is needed to determine focal length? - Answer Electronic iris
lens size
15) If a conflict exists between adopted references, the reference that applies shall be
the one: - Answer With the more stringent standard
16) In video surveillance systems, RS485 is commonly used for: - Answer Controlling
PTZ actions
17) How many trainees per job site can work under the supervision of a licensed
technician? - Answer Three
18) Low voltage wiring installations must: - Answer Comply with NFPA 70
19) According to NFPA 70, direct buried cables must be: - Answer Arranged so as to
prevent damage when the ground settles
, CCTV Questions And Answers
20) A technician experiences sudden weakness on the right side of her body and is
having trouble speaking and understanding simple statements. What is the likely cause
of her symptoms? - Answer Stroke
21) If a system draws 500mA, approximately how long will a 7Ah battery last? -
Answer 14 hours
22) Any physical assault, threatening behavior, or verbal abuse that occurs in an
employment setting is called: - Answer Harassment
23) 0.0500A equals: - Answer 0.5mA
24) When measuring current draw in a circuit, meter leads must be placed: - Answer In
series with the circuit with the circuit intact
25) What shortcut calculation is used to approximate the total resistance of a circuit
that includes several identical devices wired in parallel? - Answer Find the resistance of
one of the devices, then divide that by the number of devices in the circuit
26) When using a portable ladder to access an upper landing surface, how many feet
above the landing's surface must the side rails of the ladder extend? - Answer Three
27) If a conflict exists between the adopted reference and a chapter in the Alarm and
Locksmith Industry Rules, which statement is true? - Answer The requirements of the
chapter shall be followed
28) What values are needed to find the maximum available output wattage of a power
supply? - Answer Output voltage and output amperage
29) A technician in allowed to perform work within: - Answer The alarm industry
area(s) for which he is licensed
30) When working on a ladder, the worker should: - Answer Keep his weight centered
between the side rails
31) How many points of contact with a ladder should a worker maintain at all times? -
Answer Three
32) The Oklahoma Alarm and Locksmith Industry Act applies to: - Answer Persons
who sell, install and service alarm systems
33) A technician is weak; having chills and cannot seem to get enough to drink. What
is the likely cause of the technician's symptoms? - Answer High blood sugar
34) What is the standard impedance for analog CCTV systems? - Answer 75 ohms
1) In reference to cabling, UTP means: - Answer Unshielded twisted pair
2) According to NFPA 70, what determines the type of insulation used on conductors
in an installation? - Answer Current of the circuit
3) What feature helps improve picture quality when aiming cameras towards brightly lit
areas? - Answer Backlight compensation
4) The term CIF refers to: - Answer A common resolution
5) A characteristic of direct current is that it: - Answer Has a constant polarity
6) 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
7) What does CCD stand for? - Answer Charged Coupled Device
8) What is the correct setting on a meter for measuring VAC - Answer V
9) A blown fuse in a power supply usually indicates: - Answer Too much current is
being drawn
10) GSM and CDMA are two types of: - Answer Cellular networks
12) What type of network address is needed to remotely view a NVR or DVR on a long
term basis? - Answer Dynamic Host Configuration Protocol
13) What does WDR stand for? - Answer Wide Dynamic Range
14) What measurement is needed to determine focal length? - Answer Electronic iris
lens size
15) If a conflict exists between adopted references, the reference that applies shall be
the one: - Answer With the more stringent standard
16) In video surveillance systems, RS485 is commonly used for: - Answer Controlling
PTZ actions
17) How many trainees per job site can work under the supervision of a licensed
technician? - Answer Three
18) Low voltage wiring installations must: - Answer Comply with NFPA 70
19) According to NFPA 70, direct buried cables must be: - Answer Arranged so as to
prevent damage when the ground settles
, CCTV Questions And Answers
20) A technician experiences sudden weakness on the right side of her body and is
having trouble speaking and understanding simple statements. What is the likely cause
of her symptoms? - Answer Stroke
21) If a system draws 500mA, approximately how long will a 7Ah battery last? -
Answer 14 hours
22) Any physical assault, threatening behavior, or verbal abuse that occurs in an
employment setting is called: - Answer Harassment
23) 0.0500A equals: - Answer 0.5mA
24) When measuring current draw in a circuit, meter leads must be placed: - Answer In
series with the circuit with the circuit intact
25) What shortcut calculation is used to approximate the total resistance of a circuit
that includes several identical devices wired in parallel? - Answer Find the resistance of
one of the devices, then divide that by the number of devices in the circuit
26) When using a portable ladder to access an upper landing surface, how many feet
above the landing's surface must the side rails of the ladder extend? - Answer Three
27) If a conflict exists between the adopted reference and a chapter in the Alarm and
Locksmith Industry Rules, which statement is true? - Answer The requirements of the
chapter shall be followed
28) What values are needed to find the maximum available output wattage of a power
supply? - Answer Output voltage and output amperage
29) A technician in allowed to perform work within: - Answer The alarm industry
area(s) for which he is licensed
30) When working on a ladder, the worker should: - Answer Keep his weight centered
between the side rails
31) How many points of contact with a ladder should a worker maintain at all times? -
Answer Three
32) The Oklahoma Alarm and Locksmith Industry Act applies to: - Answer Persons
who sell, install and service alarm systems
33) A technician is weak; having chills and cannot seem to get enough to drink. What
is the likely cause of the technician's symptoms? - Answer High blood sugar
34) What is the standard impedance for analog CCTV systems? - Answer 75 ohms
