Which of the following occurs when antenna gain is increased on an access point?

Antenna gain does not affect connection speed - data rates are determined by the wireless standard and signal quality, not the antenna's gain value.

Throughput is unrelated to antenna gain; throughput depends on channel utilization, interference, and the wireless standard in use.

Antenna gain measures how well an antenna focuses radio frequency energy in a given direction. A higher-gain antenna radiates more power in a specific direction, which extends the effective range of the signal and therefore increases the size of the wireless cell (coverage area). This is a fundamental principle of RF engineering used when planning wireless deployments.

Attenuation is the loss of signal strength over distance or through obstacles and is a property of the environment, not something increased by higher antenna gain.