Free Axis Communications ANVE Practice Exam with Questions & Answers | Set: 10

The Arctic Temperature Control functionality in Axis cameras is designed to protect the camera electronics by ensuring the device can operate in extremely cold temperatures. This feature helps maintain the internal temperature of the camera, preventing the electronics from freezing and ensuring reliable performance in harsh environments. Detailed information on Arctic Temperature Control can be found in Axis Communications product specifications and user manuals.

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.

To ensure that a surveillance system is not easily sabotaged, it's important to position cameras so that each camera is visible to at least one other camera. This overlapping field of view allows for continuous monitoring even if one camera is tampered with or disabled, providing a higher level of security and redundancy. [Reference: Axis Communications - Surveillance System Design]

Thermal network cameras are viable alternatives to standard network cameras for several purposes:

B. Detection at daylight: Thermal cameras can detect heat signatures from objects and people regardless of lighting conditions.

C. Detection at night: They can effectively detect heat signatures in complete darkness, making them suitable for nighttime surveillance.

D. Detection in smoke and light fog conditions: Thermal cameras can see through obscurants like smoke and light fog that might block visible light, providing reliable detection in such conditions.

Thermal cameras are not suitable for identification purposes or license plate recognition as they do not capture fine details needed for these applications.

Axis P-iris technology is designed to optimize the iris position for optimal depth of field, resolution, and image contrast. It also helps in managing challenging lighting conditions such as backlighting by controlling the amount of light reaching the image sensor. This allows the camera to produce clear images even when facing direct sunlight or other bright light sources.

ONVIF (Open Network Video Interface Forum) is the API used to ensure interoperability between products from different vendors. ONVIF provides standardized interfaces for effective interoperability among IP-based physical security products, enabling devices like cameras, video management systems, and access control systems from different manufacturers to work together seamlessly.

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.

Day & Night cameras from Axis are designed to switch to a low-light mode by removing the IR-cut filter, making them sensitive to infrared light. In this mode, the cameras are most sensitive to IR light at a wavelength of 850 nm, which is commonly used in IR illuminators for night vision. This wavelength provides a good balance between visibility and discreetness, allowing the camera to capture clear images in low-light conditions. Axis Network Video documentation details the sensitivity range and performance characteristics of Day & Night cameras, emphasizing the importance of 850 nm wavelength for optimal night-time performance.

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