Free Axis Communications ANVE Practice Exam with Questions & Answers

Changing the capture mode on an AXIS P1346 from 2048x1536 (3 MP) to 1920x1080 (HDTV) affects both the minimum illumination and maximum frame rate. When switching to a lower resolution (HDTV), the camera's sensitivity to light improves, resulting in a decrease in the minimum illumination required to produce a clear image. Additionally, the maximum frame rate increases as the camera processes fewer pixels, allowing it to capture and transmit frames at a higher rate. Axis Network Video documentation provides detailed information on how different capture modes impact camera performance, including light sensitivity and frame rates.

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To address the blurring that's occurring with faster moving objects in the image, adjusting the exposure settings is the best option. Specifically, reducing the exposure time (shutter speed) will help in capturing clearer images of fast-moving objects by reducing motion blur. This adjustment allows the camera to capture less light per frame, effectively freezing the motion and reducing the blur associated with movement.

When using Axis' Corridor Format, the image is rotated 90 degrees, changing the aspect ratio to 9:16. This format is particularly useful for monitoring narrow, vertical areas such as hallways, corridors, and aisles, maximizing the camera's field of view in such environments and ensuring better coverage of the intended area while minimizing wasted pixels on unimportant regions like walls.

Audio detection in Axis cameras is used to detect changes in decibel levels, which can indicate unusual or noteworthy events such as alarms, breaking glass, or raised voices. This functionality does not necessarily require a built-in microphone; it can also work with external microphones. The primary function is to trigger alerts or recordings based on significant changes in the audio environment. Axis Network Video documentation outlines the use of audio detection for enhancing security by monitoring for specific sound patterns or levels.

Multicast is a method of data transmission in which a single stream of data is sent from a source to multiple destinations simultaneously. This technique is especially useful in video surveillance because it allows multiple viewers to receive the same video stream without duplicating the data sent across the network. In other words, the video stream only needs to be sent once from the camera, even though there are multiple viewers, reducing network bandwidth usage. This makes option C correct. For more detailed information, refer to Axis Communications' official documentation on network video fundamentals and multicast usage.

The capability to view and record up to four different areas of the whole image of an AXIS P1346 camera is called Multi-view streaming. This feature allows multiple cropped views to be created from a single high-resolution video stream, enabling more efficient use of bandwidth and storage while focusing on specific areas of interest within the full image. For more information, refer to the Axis Communications product documentation and technical notes on Multi-view streaming capabilities.

The IP51 and IP52 ratings indicate that the camera is protected against dust and dripping water. IP51 means the camera is protected against dust ingress to a level that would interfere with the operation and against vertically dripping water. IP52 offers the same dust protection but also protects against dripping water when tilted up to 15 degrees. These ratings make the cameras suitable for indoor use where dust and minor water exposure might occur. Axis Network Video documentation specifies the IP rating system and the levels of protection provided by different ratings.

When dealing with a poorly lit scene, adding light is the most effective option to improve image quality. Proper illumination ensures that the camera's sensor can capture clear and detailed images, reducing noise and enhancing visibility. While adjusting exposure settings, brightness, or changing camera placement can help, they are secondary to the fundamental requirement of adequate lighting.

The Guard Tour function allows a PTZ camera to automatically move between predefined positions at set intervals. This feature is particularly useful for monitoring multiple areas with a single camera. By configuring a Guard Tour, the camera can sequentially switch between different positions, providing comprehensive coverage without manual intervention. [Reference: Axis Communications - PTZ Camera Configuration]