Free CCTV Knowledge Questions and Answers

Question 1

Regarding cabling, UTP denotes:

Accepted Answer

Unshielded twisted pair

Answer

Universal twisted pair

Answer

Universal twisted plenum

Answer

Unshielded twisted plenum

Question 2

According to NFPA 70, what determines the type o insulation used on conductors in an installation?

Accepted Answer

Current of the circuit

Answer

Length of conductor run

Answer

Type of raceway

Answer

Environment

Question 3

When pointing cameras toward highly illuminated regions, what feature assists to increase the quality of the image?

Accepted Answer

Backlight compensation

Answer

Manual iris

Answer

Electric iris

Answer

IR illumination

Question 4

What is meant by CIF is:

Accepted Answer

A common resolution

Answer

The grey scale of an image

Answer

The light output of a camera

Answer

A common bandwidth requirement

Question 5

One feature of direct current is that it

Accepted Answer

Has a constant polarity

Answer

Is produced by a transformer

Answer

Changes polarity

Answer

Cannot be stored

Question 6

When a technician or salesperson adds content to a signed document or forges a customer's signature, what crimes are they committing?

Accepted Answer

Fraud

Answer

Invasion of Privacy

Answer

Larceny

Answer

Indigent Interference

Question 7

What is the acronym for CCD?

Accepted Answer

Charged Coupled Device

Answer

Compressed Capture Device

Answer

Charged Compressed Device

Answer

Capacitive Coupled Device

Question 8

What setting on a meter should I use to measure VAC correctly?

Accepted Answer

V

Answer

Ohms

Answer

V___

Answer

A___

Question 9

In a power supply, a blown fuse typically signifies:

Accepted Answer

Too much current is being drawn

Answer

Inadequate voltage

Answer

Too much resistance

Answer

The poser supply is too large

Question 10

There are two types of GSM and CDMA:

Accepted Answer

Cellular networks

Answer

Internet networks

Answer

Two-way cellular networks

Answer

Public-switched telephone networks