Online ANVE Questions Video

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 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.

To achieve four H.264 streams at 30 fps from the same camera product that can deliver two full resolution 30 fps H.264 streams, the resolution of the streams must be decreased. By lowering the resolution, the camera reduces the amount of data processed and transmitted for each stream, making it possible to support additional streams. Axis Network Video documentation indicates that stream configuration, including resolution and frame rate adjustments, allows cameras to manage multiple streams effectively while maintaining performance.

Using VLANs and IP subnets in a network infrastructure helps segregate surveillance video traffic from other network traffic. This separation improves network security by limiting access to authorized devices only and reducing the risk of video interception by malicious users. It does not inherently provide encryption or establish encrypted communication links, but it enhances security by isolating sensitive video streams. Detailed explanations can be found in Axis Communications network design guides and security best practices documents.

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