Question 1

If a surveillance camera is installed in an environment with fluorescent lighting, which effect may this have on the video quality?

Accepted Answer

A)  Increased color saturation 
B)  Flickering effects on video 
C)  Increased random noise 
D)  Motion blur on moving objects 
A)  Increased color saturation 
B)  Flickering effects on video 
C)  Increased random noise 
D)  Motion blur on moving objects B

Question 2

If a camera lens is broken and you need to replace it, you should always disconnect the power and network cables because there is a risk that

Accepted Answer

A)  The sensor will attract dust. 
B)  The shutter will break. 
C)  The lens electronics will short circuit. 
D)  The camera electronics will short circuit. 
A)  The sensor will attract dust. 
B)  The shutter will break. 
C)  The lens electronics will short circuit. 
D)  The camera electronics will short circuit. A

Question 3

Image flickering is caused by

Accepted Answer

A)  IR light 
B)  White light 
C)  Lack of light 
D)  Fluorescent light 
A)  IR light 
B)  White light 
C)  Lack of light 
D)  Fluorescent light D

Question 4

An analog system that should be upgraded to IP using encoders must have the end of the analog signal terminated. How many Ohm (Ω) should that be?

Accepted Answer

A)  50Ω 
B)  70 Ω 
C)  75 Ω 
D)  80 Ω 
A)  50Ω 
B)  70 Ω 
C)  75 Ω 
D)  80 Ω

Question 5

Which statements on Group of video (GOV) length are true? (Choose two)

Accepted Answer

A)  The GOV length can be adjusted in both Motion JPEG and H.264 
B)  The GOV length setting only has an impact on MPEG-4 
C)  The GOV length setting is only used for recording 
D)  The GOV length setting has an impact on bandwidth 
E)  A long GOV length increases the storage time on SD card 
A)  The GOV length can be adjusted in both Motion JPEG and H.264 
B)  The GOV length setting only has an impact on MPEG-4 
C)  The GOV length setting is only used for recording 
D)  The GOV length setting has an impact on bandwidth 
E)  A long GOV length increases the storage time on SD card

Question 6

Increased noise levels in a scene will increase the

Accepted Answer

A)  Light sensitivity. 
B)  Contrast level. 
C)  Bandwidth usage. 
D)  Brightness level. 
A)  Light sensitivity. 
B)  Contrast level. 
C)  Bandwidth usage. 
D)  Brightness level.

Question 7

What type of camera is recommended to be used in an extremely hot environment?

Accepted Answer

A)  Cameras that end with -E 
B)  Cameras that end with -V 
C)  Cameras that end with -R 
D)  Cameras that end with -C 
A)  Cameras that end with -E 
B)  Cameras that end with -V 
C)  Cameras that end with -R 
D)  Cameras that end with -C

Question 8

This image represents an enlargement of an actual surveillance image. How could you improve the overall quality of the image? (Choose two)

Accepted Answer

A)  Decrease image compression setting 
B)  Increase the gain setting in the camera 
C)  Increase the image compression setting 
D)  Decrease the gain setting in the camera 
E)  Change to a camera with higher resolution 
A)  Decrease image compression setting 
B)  Increase the gain setting in the camera 
C)  Increase the image compression setting 
D)  Decrease the gain setting in the camera 
E)  Change to a camera with higher resolution

Question 9

A varifocal lens

Accepted Answer

A)  Makes it possible to adjust the focal length like a zoom lens, but requires refocusing after adjusting the focal length. 
B)  Allows the depth of field to be adjusted, making it possible to blur out the background for privacy protection or reducing distraction. 
C)  Can rapidly change focus between a set of predefined positions, making it easy to move between different points of interest in the scene. 
D)  Is a lens where the focus can be adjusted, as opposed to a fixed focus lens, making it possible to focus on objects close to the camera. 
A)  Makes it possible to adjust the focal length like a zoom lens, but requires refocusing after adjusting the focal length. 
B)  Allows the depth of field to be adjusted, making it possible to blur out the background for privacy protection or reducing distraction. 
C)  Can rapidly change focus between a set of predefined positions, making it easy to move between different points of interest in the scene. 
D)  Is a lens where the focus can be adjusted, as opposed to a fixed focus lens, making it possible to focus on objects close to the camera.

Question 10

In a network surveillance installation, the purpose of a switch is to

Accepted Answer

A)  Forward the video stream between networks. 
B)  Forward the video stream to the correct receiver within a network. 
C)  Disconnect malfunctioning cameras from the network. 
D)  Disconnect devices with invalid IP addresses from the network. 
A)  Forward the video stream between networks. 
B)  Forward the video stream to the correct receiver within a network. 
C)  Disconnect malfunctioning cameras from the network. 
D)  Disconnect devices with invalid IP addresses from the network.

Question 11

When using the AXIS Design Tool, what is the most important message to bring to your end user?

Accepted Answer

A)  That the numbers calculated are always conservative 
B)  That using RAID configurations is always recommended 
C)  That redundant storage will more than double the calculations 
D)  That the calculations are only estimates and not final numbers 
A)  That the numbers calculated are always conservative 
B)  That using RAID configurations is always recommended 
C)  That redundant storage will more than double the calculations 
D)  That the calculations are only estimates and not final numbers

Question 12

What is the most effective and time saving way to adjust the focus on the AXIS M3204 camera while onsite?

Accepted Answer

A)  Remote zoom and focus feature 
B)  Adjust back focus 
C)  AXIS T8414 Installation Display 
D)  AXIS Camera Management 
A)  Remote zoom and focus feature 
B)  Adjust back focus 
C)  AXIS T8414 Installation Display 
D)  AXIS Camera Management

Question 13

Which is an advantage of the H.264 compression standard?

Accepted Answer

A)  Bandwidth and storage usage is independent of the amount of motion in the video 
B)  Compared to Motion JPEG. H.264 video reduces the CPU load when viewing the video 
C)  In most situations, compared to Motion JPEG. H.264 video reduces bandwidth and storage usage 
D)  The intra-frame coding makes the video less sensitive to network dropouts 
A)  Bandwidth and storage usage is independent of the amount of motion in the video 
B)  Compared to Motion JPEG. H.264 video reduces the CPU load when viewing the video 
C)  In most situations, compared to Motion JPEG. H.264 video reduces bandwidth and storage usage 
D)  The intra-frame coding makes the video less sensitive to network dropouts

Question 14

Gatekeeper is a function that

Accepted Answer

A)  Makes it possible for a PTZ camera to do a guard tour. 
B)  Enables two way audio for communication at a gate. 
C)  Uses video motion detection for detecting if a gate is open. 
D)  Uses video motion to zoom in on an object. 
A)  Makes it possible for a PTZ camera to do a guard tour. 
B)  Enables two way audio for communication at a gate. 
C)  Uses video motion detection for detecting if a gate is open. 
D)  Uses video motion to zoom in on an object.

Question 15

A Privacy mask added to Live View (Choose two)

Accepted Answer

A)  Hides parts of the scene. 
B)  Restricts access to the camera. 
C)  Can be removed from recorded video. 
D)  Lowers the bandwidth usage. 
E)  Can be made into any shape. 
A)  Hides parts of the scene. 
B)  Restricts access to the camera. 
C)  Can be removed from recorded video. 
D)  Lowers the bandwidth usage. 
E)  Can be made into any shape.

Question 16

In many places 24 V AC has been popular as a power source but now 12 V and 24 V DC is increasing in popularity because

Accepted Answer

A)  There is more energy in DC. 
B)  It is easier to back-up DC with battery. 
C)  There is less power loss in cables with DC. 
D)  There is less risk for surge with DC. 
A)  There is more energy in DC. 
B)  It is easier to back-up DC with battery. 
C)  There is less power loss in cables with DC. 
D)  There is less risk for surge with DC.

Question 17

To make use of IEEE 802.1 X when connecting a camera to the network, you need (Choose two)

Accepted Answer

A)  An Ethernet switch with support for IEEE 302.1X. 
B)  A router. 
C)  A RADIUS server. 
D)  Category 6 or Category 5e Ethernet cabling. 
E)  A server with a Gigabit Ethernet network card. 
A)  An Ethernet switch with support for IEEE 302.1X. 
B)  A router. 
C)  A RADIUS server. 
D)  Category 6 or Category 5e Ethernet cabling. 
E)  A server with a Gigabit Ethernet network card.

Question 18

Where is the best place to mount a camera with a fixed iris?

Accepted Answer

A)  Outside, on a pole 
B)  Inside, in a room with large windows 
C)  Outside, in a shadowed position 
D)  Inside, in a room with very strong light sources 
A)  Outside, on a pole 
B)  Inside, in a room with large windows 
C)  Outside, in a shadowed position 
D)  Inside, in a room with very strong light sources

Question 19

Which one of the following camera parameters may become a limiting factor for the camera in delivering full frame rate?

Accepted Answer

A)  Noise reduction 
B)  Exposure time 
C)  Flicker-free mode 
D)  Aspect ratio 16:9 
A)  Noise reduction 
B)  Exposure time 
C)  Flicker-free mode 
D)  Aspect ratio 16:9

Question 20

Before upgrading firmware, which of the following should be checked?

Accepted Answer

A)  Verify that the Video Management Software (VMS) supports the latest firmware version 
B)  Verify that both rack mounted and standalone servers support the latest firmware version 
C)  Verify that the IEEE 802.3af compliant PoE switch supports the latest firmware version 
D)  Verify that the SD card is properly ejected before the upgrade is started 
A)  Verify that the Video Management Software (VMS) supports the latest firmware version 
B)  Verify that both rack mounted and standalone servers support the latest firmware version 
C)  Verify that the IEEE 802.3af compliant PoE switch supports the latest firmware version 
D)  Verify that the SD card is properly ejected before the upgrade is started

Exam 1: Axis Network Video