IEEE 802.1X is a network access control protocol that provides an authentication mechanism for devices wishing to connect to a LAN or WLAN. It ensures that only approved devices are granted access to the network, thereby preventing unauthorized devices from connecting. This makes it impossible for someone to disconnect a camera and connect another device to eavesdrop on the network. Therefore, the correct answer is B). For more detailed information, refer to Axis Communications' documentation on network security features and IEEE 802.1X.

"Telephoto lenses have a longer focal length and provide greater magnification, showing more detail of an object at a given distance compared to normal, wide-angle, or fisheye lenses."
- Axis Communications Academy, Network Video Fundamentals, 2022
"A telephoto lens enables viewing objects in detail from a distance."
- Axis Lens Guide White Paper
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 23)
Axis Lens Guide White Paper

The AXIS P3301 is a fixed mini dome camera that features a DC-iris lens, a 2.8-10 mm varifocal lens, and wide dynamic range (WDR). This combination of features makes it the only suitable choice among the listed options to meet the customer's requirements for a fixed mini dome camera with these specific capabilities.
More details can be found in the Axis Communications product specifications and data sheets for the AXIS P3301.

The primary reason for using a multisensor panoramic camera versus a single-sensor panoramic camera is to achieve higher pixel density. Multisensor cameras combine images from multiple sensors to create a high-resolution, detailed panoramic view. This approach provides superior image quality and clarity, especially in large areas where high detail is needed. Axis product literature emphasizes the advantage of higher pixel density in multisensor cameras for capturing detailed, wide-area surveillance images.

According to Johnson's criteria, the detection range for a person with an AXIS Q1921 with a 60 mm lens in clear weather is 1200 meters (3900 feet). This means that a human observer is able to detect a person at this distance with a 50% probability. Johnson's criteria is a widely accepted method for calculating the probability of detection, recognition, and identification of objects in surveillance imagery.