A wireless computer LAN connection may not be a good choice in _____.

A wireless computer LAN connection may not be a good choice in an environment with large quantities of airborne particles because such particles can interfere with the radio waves that wireless networks use for communication. This interference can lead to reduced signal strength and quality, resulting in slower data transmission speeds, higher latency, and potentially dropped connections.

Wireless communication relies on clear line-of-sight and minimal obstruction for optimal performance. Environments with heavy dust, smoke, or other airborne contaminants can scatter and absorb the signals, which in turn degrades the overall performance of the network.

In contrast, urban environments may have more obstacles due to buildings, but wireless technology is often designed to cope with these challenges. Mountainous areas can also present difficulties, but specific wireless technologies can handle line-of-sight issues depending on the network's design. Controlled indoor space typically provides the best conditions for wireless communication due to fewer interference sources and more predictable signal propagation.