Question 1

A camera can deliver up to two full resolution 30 fps H.264 streams. The customer wants to have four H.264 streams from the same camera. What will be the resulting impact?

Accepted Answer

A)  The camera will lower the resolution 
B)  The camera will lower the compression 
C)  The camera will lower the frame rate 
D)  The camera will lower the Group of Video (GOV) length 
A)  The camera will lower the resolution 
B)  The camera will lower the compression 
C)  The camera will lower the frame rate 
D)  The camera will lower the Group of Video (GOV) length

Question 2

Which is the main advantage of Axis P-iris technology?

Accepted Answer

A)  It improves low light performance 
B)  It reduces purple fringing 
C)  It limits motion blur 
D)  It optimizes the aperture, limiting artifacts 
A)  It improves low light performance 
B)  It reduces purple fringing 
C)  It limits motion blur 
D)  It optimizes the aperture, limiting artifacts

Question 3

A customer has a lot of motion blur on recordings from a fixed camera. What would be the most likely setting to address the blurring?

Accepted Answer

A)  Gain level 
B)  Brightness 
C)  Backlight compensation 
D)  Shutter speed 
A)  Gain level 
B)  Brightness 
C)  Backlight compensation 
D)  Shutter speed

Question 4

IEEE 802.1 X is a security feature that

Accepted Answer

A)  Applies end-to-end encryption between the camera and the server over the internet, ensuring that other users on the network cannot eavesdrop on the surveillance video. 
B)  Only gives approved devices access to the network, making it impossible to disconnect a camera and connect other equipment to eavesdrop on the network. 
C)  Disables port forwarding, making it impossible for users outside the local network to get access to the surveillance video. 
D)  Uses a cryptographic signature to ensure the integrity of the address tables used by the router, making it impossible for malicious users to redirect the surveillance video to unauthorized recipients. 
A)  Applies end-to-end encryption between the camera and the server over the internet, ensuring that other users on the network cannot eavesdrop on the surveillance video. 
B)  Only gives approved devices access to the network, making it impossible to disconnect a camera and connect other equipment to eavesdrop on the network. 
C)  Disables port forwarding, making it impossible for users outside the local network to get access to the surveillance video. 
D)  Uses a cryptographic signature to ensure the integrity of the address tables used by the router, making it impossible for malicious users to redirect the surveillance video to unauthorized recipients.

Question 5

Which setting would best adjust a hard yellow tint as shown in the pictures below?

Accepted Answer

A)  Image contrast 
B)  White balance 
C)  Color saturation 
D)  Image brightness 
A)  Image contrast 
B)  White balance 
C)  Color saturation 
D)  Image brightness

Question 6

When using IR illuminators, which wavelengths would not produce any visible glow?

Accepted Answer

A)  650 nm 
B)  750 nm 
C)  850 nm 
D)  940 nm 
A)  650 nm 
B)  750 nm 
C)  850 nm 
D)  940 nm

Question 7

If using H.264 compression, in theory, what could a video containing no l-frames look like?

Accepted Answer

A)  The first P-frame is visible during the whole video 
B)  A black image is visible during the whole video 
C)  All moving objects will be visible 
D)  All non-moving objects will be visible 
A)  The first P-frame is visible during the whole video 
B)  A black image is visible during the whole video 
C)  All moving objects will be visible 
D)  All non-moving objects will be visible

Question 8

The main purpose of the remote focus function is to

Accepted Answer

A)  Help the installer manually focus the camera onsite. 
B)  Make the camera refocus every time it is triggered by motion. 
C)  Make the camera automatically focus on objects at a set distance. 
D)  Eliminates the need for an installer to manually set focus at the camera. 
A)  Help the installer manually focus the camera onsite. 
B)  Make the camera refocus every time it is triggered by motion. 
C)  Make the camera automatically focus on objects at a set distance. 
D)  Eliminates the need for an installer to manually set focus at the camera.

Question 9

Which of the following statements are true for H.264? (Choose two)

Accepted Answer

A)  The size of an l-frame depends on the preceding P-frame 
B)  Increased motion in a scene means increased bit rate 
C)  Group of Video (GOV) length is directly affected by the sizes of the I- and P-frames 
D)  A P-frame references preceding and succeeding P-frames 
E)  Longer GOV length means reduced bit rate 
A)  The size of an l-frame depends on the preceding P-frame 
B)  Increased motion in a scene means increased bit rate 
C)  Group of Video (GOV) length is directly affected by the sizes of the I- and P-frames 
D)  A P-frame references preceding and succeeding P-frames 
E)  Longer GOV length means reduced bit rate

Question 10

An installer wants to connect and power a P|R sensor from an Axis camera's I/O port. What would be the output DC voltage?

Accepted Answer

A)  1, 5V 
B)  3. 3 V 
C)  5V 
D)  7 V 
A)  1, 5V 
B)  3. 3 V 
C)  5V 
D)  7 V

Question 11

A Day & Night camera automatically removes the IR-cut filter for low light operations. In that mode, the camera becomes sensitive to IR light. Which wavelength is the camera most sensitive to?

Accepted Answer

A)  850 nm 
B)  950 nm 
C)  1140 nm 
D)  1350 nm 
A)  850 nm 
B)  950 nm 
C)  1140 nm 
D)  1350 nm

Question 12

When dealing with a complicated lighting scenario, such as a camera inside looking out through bright windows, which camera would best adapt to the scene to provide the highest image detail?

Accepted Answer

A)  AXIS M3204 
B)  AXIS P3304 
C)  AXIS P5534 
D)  AXIS Q1604 
A)  AXIS M3204 
B)  AXIS P3304 
C)  AXIS P5534 
D)  AXIS Q1604

Question 13

What is the maximum distance for a 10OBaseTX Ethernet carrying 802.3at PoE connection between a switch and a camera without any extenders or repeaters?

Accepted Answer

A)  50 m (164 ft) 
B)  100 m (328 ft) 
C)  150 m (492 ft) 
D)  500 m (1640 ft) 
A)  50 m (164 ft) 
B)  100 m (328 ft) 
C)  150 m (492 ft) 
D)  500 m (1640 ft)

Question 14

A camera lens with a low f-stop value of 1.2 will outperform a lens with a higher f-stop value due to which one of the parameters below?

Accepted Answer

A)  Better depth of field 
B)  Better low light capability 
C)  Improved sharpness 
D)  Less image artifacts 
A)  Better depth of field 
B)  Better low light capability 
C)  Improved sharpness 
D)  Less image artifacts

Question 15

Two benefits of Axis HDTV cameras supporting the SMTPE standards are

Accepted Answer

A)  Color fidelity and full duplex 2-channel audio. 
B)  Color fidelity and minimum 25/30 fps frame rate. 
C)  Minimum 25/30 fps frame rate and full duplex 2-channel audio. 
D)  Full duplex 2-channel audio and automatic screen calibration. 
A)  Color fidelity and full duplex 2-channel audio. 
B)  Color fidelity and minimum 25/30 fps frame rate. 
C)  Minimum 25/30 fps frame rate and full duplex 2-channel audio. 
D)  Full duplex 2-channel audio and automatic screen calibration.

Question 16

The advantage of using multicast in the network is that

Accepted Answer

A)  Many cameras can share the same network connection. 
B)  The video stream reaches every computer in the network simultaneously. 
C)  The video stream only needs to be sent once, even though there are multiple viewers. 
D)  The video stream is rerouted in case of network dropout. 
A)  Many cameras can share the same network connection. 
B)  The video stream reaches every computer in the network simultaneously. 
C)  The video stream only needs to be sent once, even though there are multiple viewers. 
D)  The video stream is rerouted in case of network dropout.

Question 17

Audio detection can be used

Accepted Answer

A)  Only with cameras with built in microphone. 
B)  In all Axis cameras but an extra intelligent video (IV) module is necessary. 
C)  Only in quiet areas. 
D)  For detecting a change in decibel levels. 
A)  Only with cameras with built in microphone. 
B)  In all Axis cameras but an extra intelligent video (IV) module is necessary. 
C)  Only in quiet areas. 
D)  For detecting a change in decibel levels.

Question 18

When focusing a camera with auto iris, focus will be more accurate if

Accepted Answer

A)  Set during lowlight conditions, since the depth of field is shorter with a large iris opening. 
B)  Set during bright conditions, since the depth of field is shorter with a small iris opening. 
C)  Set during lowlight conditions, since the automatic gain control will increase image contrast. 
D)  Set during bright conditions, since image contrast will not be reduced by the automatic gain control. 
A)  Set during lowlight conditions, since the depth of field is shorter with a large iris opening. 
B)  Set during bright conditions, since the depth of field is shorter with a small iris opening. 
C)  Set during lowlight conditions, since the automatic gain control will increase image contrast. 
D)  Set during bright conditions, since image contrast will not be reduced by the automatic gain control.

Question 19

In a switched network with Unicast

Accepted Answer

A)  Data packets are sent only to one recipient no other computers will receive the data. 
B)  Data packets can only be sent in one direction, for example from the camera to the server. 
C)  Only one camera at a time can send data packets through the network, to avoid congestion. 
D)  All data packets are transmitted in a unified size, enabling network optimization. 
A)  Data packets are sent only to one recipient no other computers will receive the data. 
B)  Data packets can only be sent in one direction, for example from the camera to the server. 
C)  Only one camera at a time can send data packets through the network, to avoid congestion. 
D)  All data packets are transmitted in a unified size, enabling network optimization.

Question 20

An integrator receives a specification for surveillance cameras for a large project, where the requirements are impossible to live up to. Which of the key numbers below would have to change in order to find a camera to fill the demands?

Accepted Answer

A)  60 fps 
B)  1080pHD resolution 
C)  160 dB dynamic range 
D)  Face recognition at 70 m (230 ft) 
A)  60 fps 
B)  1080pHD resolution 
C)  160 dB dynamic range 
D)  Face recognition at 70 m (230 ft)

Exam 1: Axis Network Video