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NEW QUESTION # 58
As this person enters the scene, what is true about P-frames?
- A. They become less frequent
- B. They increase in size
- C. They become more frequent
- D. They decrease in size
Answer: B
Explanation:
As a person enters the scene, P-frames (Predictive frames) increase in size. P-frames contain only the changes in the image from the previous frame (I-frame or another P-frame). When there is movement or new objects enter the scene, more data is needed to describe the changes, resulting in larger P-frames. References: Axis Communications documentation on video compression and frame types in H.264.
NEW QUESTION # 59
A customer asks for a fixed mini dome with a DC-iris lens. 2.8-10 mm varifocal lens and wide dynamic range.
Which of the following cameras is the only choice to fit all of the requirements?
- A. AXIS M3203
- B. AXIS P3301
- C. AXIS Q1604
- D. AXIS M5014
Answer: B
Explanation:
The AXIS P3301 is a fixed mini dome camera that features a DC-iris lens, a 2.8-10 mm varifocal lens, and wide dynamic range (WDR). This combination of features makes it the only suitable choice among the listed options to meet the customer's requirements for a fixed mini dome camera with these specific capabilities.
More details can be found in the Axis Communications product specifications and data sheets for the AXIS P3301.
NEW QUESTION # 60
A customer wants to minimize the risk of loosing recordings if there is a disconnect between the camera and the server. What is recommended?
- A. UPS
- B. Co-Iocation
- C. RAID
- D. Failover recordings
Answer: D
Explanation:
To minimize the risk of losing recordings if there is a disconnect between the camera and the server, failover recordings are recommended. This involves having a secondary recording location, such as an SD card in the camera, that can store video footage temporarily until the connection to the server is restored. This ensures continuous recording and prevents data loss. Axis Communications' documentation on system reliability and failover solutions supports this recommendation.
NEW QUESTION # 61
DRAG DROP
Match the best choice of camera to each scenario described. Drag each gray box from the left column to the matching blue box in the right column.
Answer:
Explanation:
NEW QUESTION # 62
In a dark indoor environment one single Axis illuminator is available. At a distance of 1 m (3 ft 3 in) away from the illuminator the light intensity is 1024 lux. At what distance from the light source will the light intensity be 256 lux?
- A. 16 m (52 ft 6 in)
- B. 4m{13 ft 1 in)
- C. 2 m (6 ft 7 in)
- D. 8 m (26 ft 3 in)
Answer: C
NEW QUESTION # 63
Using bidirectional predictive interframe in H.264 will
- A. increase the latency in the system.
- B. be independently decoded without referencing other frames.
- C. require more bits than if only l-frames are used.
- D. create dependency just to earlier P- and l-frames.
Answer: A
Explanation:
Using bidirectional predictive interframe in H.264, also known as B-frames, will increase the latency in the system. B-frames depend on both previous and future frames (I-frames and P-frames) for encoding, which requires more processing time and thus increases the latency. This trade-off allows for more efficient compression and smaller file sizes but at the cost of increased delay. References: Axis Communications documentation on H.264 video compression and the use of B-frames.
NEW QUESTION # 64
A varifocal lens
- A. Makes it possible to adjust the focal length like a zoom lens, but requires refocusing after adjusting the focal length.
- B. Can rapidly change focus between a set of predefined positions, making it easy to move between different points of interest in the scene.
- C. Allows the depth of field to be adjusted, making it possible to blur out the background for privacy protection or reducing distraction.
- 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.
Answer: A
NEW QUESTION # 65
Which is true regarding the use of a smoked (tinted) dome instead of a clear dome?
- A. Disables infrared capabilities
- B. Reduces light sensitivity
- C. Decreases color fidelity
- D. Decreases field of view
Answer: B
NEW QUESTION # 66
Which IP rating is most appropriate for an outdoor school playground?
- A. IP54
- B. IP6K9K
- C. IP42
- D. IP67
Answer: D
Explanation:
For an outdoor school playground, the most appropriate IP rating is IP67. This rating indicates that the camera is completely protected against dust (the first digit '6') and can withstand immersion in water up to 1 meter for
30 minutes (the second digit '7'). This level of protection is ideal for outdoor environments where the camera may be exposed to dust, rain, and other environmental factors.References: Axis Communications Outdoor Cameras
NEW QUESTION # 67
A camera's recording stream has a bitrate of 8 Mbit/s. How much storage is used per hour?
- A. 28.8 GB
- B. 288 GB
- C. 36 GB
- D. 3.6 GB
Answer: D
Explanation:
To calculate the storage used per hour by a camera's recording stream with a bitrate of 8 Mbit/s, you can use the following formula:
Storage (GB/hour)=bitrate (Mbit/s)×seconds per hour8×1024\text{Storage (GB/hour)} = \frac{\text{bitrate (Mbit/s)} \times \text{seconds per hour}}{8 \times
1024}Storage (GB/hour)=8×1024bitrate (Mbit/s)×seconds per hour
Since there are 3600 seconds in an hour:
Storage (GB/hour)=8×36008×1024=288008192=3.6 GB\text{Storage (GB/hour)} = \frac{8 \times 3600}{8
\times 1024} = \frac{28800}{8192} = 3.6 \text{ GB}Storage (GB/hour)=8×10248×3600=819228800=3.6 GB Thus, the camera uses 3.6 GB of storage per hour. Axis documentation on storage requirements for video streams provides similar calculations to estimate storage needs based on bitrate.
NEW QUESTION # 68
Working with a retailer on a site survey, they ask if there's any way to get more of the aisle and less of the shelves on the short sides in the shot. An AXIS M3204 camera is being used. Which would be the best suggestion to the retailer?
- A. Switching the camera to a 16:9 view
- B. Adjusting the varifocal lens from 2.8 mm to 4 mm
- C. Adjusting the varifocal lens from 2.8 mm to 10 mm
- D. Using Axis' Corridor Format
Answer: D
NEW QUESTION # 69
Which applications are typically used with PTZ cameras? (Select three)
- A. Active gatekeeper
- B. Guard tour
- C. Occupancy estimation
- D. Autotracking
- E. People counting
- F. Queue monitoring
Answer: A,B,D
Explanation:
PTZ (Pan-Tilt-Zoom) cameras are typically used for applications such as autotracking, active gatekeeper, and guard tour. Autotracking allows the camera to follow moving objects within its field of view automatically.
Active gatekeeper enables the camera to move to a preset position when motion is detected in a specific area.
Guard tour is a function that allows the camera to patrol between preset positions at scheduled intervals. These features enhance surveillance capabilities and are commonly implemented in PTZ cameras. Axis Communications' documentation on PTZ camera functionalities details these applications.
NEW QUESTION # 70
Focusing a camera improves the image, but it also
- A. Has an effect on the frame rate
- B. Increases the bandwidth
- C. Changes the pixel resolution
- D. Decreases the bandwidth
Answer: B
Explanation:
Focusing a camera improves image clarity and detail but also increases the bandwidth. This happens because a sharper image contains more detailed information, requiring more data to transmit over the network. Hence, the bandwidth usage increases as the camera focuses more accurately.
Reference: Axis Communications - Impact of Focus on Bandwidth
NEW QUESTION # 71
With Axis Coverage Shapes, the designer can
- A. See the effect of furniture or other objects blocking field of view.
- B. Create a 3D view of the scene the camera will capture.
- C. View how varying lighting conditions affect the image.
- D. Determine at what distance a person can be identified.
Answer: D
Explanation:
Axis Coverage Shapes is a tool within Axis' design software that helps determine the optimal placement and specifications of cameras to ensure that identification and surveillance goals are met. It allows the designer to visualize the camera's coverage area and assess the distance at which a person can be identified, ensuring that the camera's placement and specifications align with the security requirements. For more detailed information, refer to Axis Communications' resources on Axis Coverage Shapes.
NEW QUESTION # 72
When using Axis' Corridor Format
- A. Axis PTZ cameras can automatically track people walking down a corridor.
- B. Privacy masks block out areas outside the specified corridor width.
- C. The image is rotated 90 degrees, changing the aspect ratio to 9:16.
- D. The depth of field is automatically adjusted to keep the entire length of a corridor in focus.
Answer: C
NEW QUESTION # 73
Audio detection can be used
- A. In all Axis cameras but an extra intelligent video (IV) module is necessary.
- B. Only with cameras with built in microphone.
- C. For detecting a change in decibel levels.
- D. Only in quiet areas.
Answer: C
NEW QUESTION # 74
A varifocal lens
- A. Makes it possible to adjust the focal length like a zoom lens, but requires refocusing after adjusting the focal length.
- B. Can rapidly change focus between a set of predefined positions, making it easy to move between different points of interest in the scene.
- C. Allows the depth of field to be adjusted, making it possible to blur out the background for privacy protection or reducing distraction.
- 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.
Answer: A
NEW QUESTION # 75
Which technology can a Video Management Software (VMS) partner incorporate to reduce the impact on recorded video during server maintenance?
- A. AXIS Camera Application Platform (ACAP)
- B. Local storage at the camera
- C. SNMP
- D. Meta data stream
Answer: B
NEW QUESTION # 76
A company is looking for a dome designed to withstand vibrations inherent to transportation. Which of the following cameras should be recommended?
- A. AXIS P3344-VE
- B. AXIS P1344
- C. AXIS M3114-R
- D. AXIS M3014
Answer: C
Explanation:
The AXIS M3114-R is designed specifically for use in environments with vibrations, such as transportation. It is rugged and can withstand shocks and vibrations inherent in mobile applications. Other models like the AXIS P3344-VE, AXIS M3014, and AXIS P1344 do not have the same level of vibration resistance. Detailed specifications and use cases for the AXIS M3114-R can be found in the Axis Communications product catalog and datasheets.
NEW QUESTION # 77
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