ANVE Exam Dumps - Axis Communications Certifications Questions and Answers

When zooming in on an object with a varifocal or zoom lens, the light sensitivity of the camera generally decreases. This is because zooming in reduces the amount of light reaching the sensor due to the longer focal length and narrower aperture, which can result in a darker image. This effect is more pronounced in cameras with lower-quality lenses or insufficient lighting. Axis Network Video documentation explains how lens properties and zoom settings can impact light sensitivity and overall image quality.

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Multicast video streaming has several important characteristics:

A. Multicast can help to save bandwidth in a network because it allows the same video stream to be delivered to multiple users simultaneously, reducing the need for multiple unicast streams.

B. Multicast can typically not be used to provide video over the internet because many routers and firewalls do not support multicast traffic across the internet, which is more suited for local network environments.

D. Multicast extends the viewer capacity of a camera or an encoder from 10-20 to an unlimited number, as it does not rely on multiple individual connections to distribute the video stream.

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.

When using the view area functionality in Axis cameras, each view area can have its own independent video stream. Additionally, each view area can have its own exposure control setting and text overlay setting. This allows for customized video streams with different exposure settings tailored to specific areas within the camera's field of view, as well as unique text overlays for each view area, providing flexibility in video management and presentation.

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.

VAPIX® is an open API from Axis Communications that allows for the integration of Axis products with other system components. This openness facilitates the development of customized applications and solutions, making it easier for integrators to incorporate Axis products into broader security and surveillance systems, ensuring compatibility and flexibility. [Reference: Axis Communications - VAPIX API Documentation]

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The maximum power level at the powered device for PoE class 2 is 6.49 W. Power over Ethernet (PoE) class 2 devices are designed to consume between 3.84 W and 6.49 W. This classification helps ensure that network devices receive the appropriate power levels required for their operation.

"Bandwidth refers to the maximum rate of data transfer across a given network path. It is measured in bits per second (bps) and determines how much data can be transmitted over a network in a given amount of time."

— Axis Communications Academy, Network Video Fundamentals, 2022

"Bandwidth is a measure of the network's capacity to carry data, not the amount of data a device produces or the storage available."

— Axis Communications, Understanding Bandwidth

When recording a night scene with IR, using a day-and-night camera without an IR-corrected lens can cause the focus to shift. This happens because IR light and visible light have different wavelengths and refract differently through the lens. An IR-corrected lens is designed to handle both types of light without causing a focus shift, ensuring sharp images in both day and night conditions. References: Axis Communications product guides on day-and-night cameras and IR-corrected lenses.

"A midspan (PoE injector) can provide the necessary power level for PoE+ (Class 4) devices when the existing switch only supports standard PoE (Class 3). The midspan is placed between the switch and the device."

— Axis PoE Solutions Overview

"A midspan is recommended when extra power is needed but the switch does not support the higher class."

— Axis Communications Academy, Network Video Fundamentals, 2022