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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.

To improve the overall quality of the image:

A. Decrease image compression setting: Lowering the compression setting will reduce artifacts and improve image clarity by preserving more of the original data in each frame. E. Change to a camera with higher resolution: Using a camera with higher resolution will capture more detail and improve the clarity of the enlarged image.

These adjustments ensure better image quality by enhancing the detail and reducing compression artifacts.

The inverse square law of light intensity states that the intensity of light is inversely proportional to the square of the distance from the light source. Given that the light intensity is 1024 lux at 1 meter, we can calculate the distance at which the intensity would be 256 lux.

Since 256 lux is one-fourth of 1024 lux, and the inverse square law states that intensity is proportional to 1/d21/d^21/d2, the distance must be doubled to reduce the intensity by a factor of four. Therefore, the distance at which the light intensity is 256 lux is 2 meters. [Reference: Axis Communications - Illumination Basics]