Free Axis Communications ANVE Practice Exam with Questions & Answers | Set: 4

Axis HDTV cameras conform to the SMPTE (Society of Motion Picture and Television Engineers) standards, which ensure that the cameras provide excellent color fidelity and maintain a minimum frame rate of 25/30 frames per second. These standards are critical for ensuring high-quality video with accurate color representation and smooth motion, essential for security and surveillance applications.

When installing a network camera with PoE, the following best practices should be considered:

C. The correct PoE standards are being used. This ensures compatibility between the camera and the PoE switch or injector, preventing power issues.

E. The correct cabling standards are being used. Category 5e or higher cabling is recommended to ensure reliable power delivery and data transmission over PoE.

Following these practices helps in achieving a stable and efficient PoE camera installation.

People counting analytics with Axis cameras are utilized for various purposes. In retail stores, these analytics provide valuable statistics on customer foot traffic, helping with operational and marketing decisions. Enhanced service levels for public transportation benefit from people counting by monitoring passenger loads and optimizing service schedules. Crowd detection for marketing purposes leverages the analytics to understand customer behavior and preferences in different areas, which can influence marketing strategies. Axis Communications highlights these use cases in their documentation, emphasizing the analytics' role in improving operational efficiency and strategic planning.

Before upgrading the firmware, it is essential to verify that the Video Management Software (VMS) supports the latest firmware version. Incompatibility between the VMS and the new firmware can lead to operational issues and reduced functionality. Checking for VMS support ensures a smooth upgrade process. This recommendation can be found in Axis Communications' firmware upgrade guidelines and best practices.

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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DHCP (Dynamic Host Configuration Protocol) is a network management protocol used on IP networks. It automates the process of configuring devices on IP networks by assigning IP addresses to devices, allowing them to communicate on the network. The DHCP server dynamically assigns IP addresses from a predefined pool and leases them to devices for a specified period. This eliminates the need for manual IP configuration and helps avoid IP address conflicts. References to Axis documentation confirm that DHCP is essential for managing and automating IP address allocation in networked environments.

Gatekeeper is a feature in Axis PTZ cameras that allows the camera to automatically zoom in on an object when motion is detected within a predefined area. This function is useful for focusing on areas of interest, such as entry points or sensitive zones, enhancing security monitoring by providing detailed views of potential security events. Axis Network Video documentation explains that Gatekeeper uses video motion detection to trigger the zoom function, ensuring that important details are captured without manual intervention.

When a camera's image appears "washed out" or faded, especially in a hallway with no windows, the first setting to adjust is the exposure settings. Proper exposure settings ensure that the camera captures the right amount of light, enhancing image quality and color accuracy. Adjusting settings such as the shutter speed, iris, and gain can help improve the overall image contrast and color fidelity. [Reference: Axis Communications - Image Quality Settings and Adjustments]

Video motion detection (VMD) in PTZ (Pan-Tilt-Zoom) cameras is feasible but primarily when the camera is used as a stationary camera. PTZ cameras can activate motion detection when they are not moving, as movement of the camera itself would otherwise trigger the VMD. When the camera is stationary, it can effectively detect motion within its field of view similar to a fixed camera. Therefore, option B is correct. For more detailed information, refer to Axis Communications' guidelines on VMD functionality in PTZ cameras.