Premise: Wide dissemination of wireless networks in cities is a practical way to meet the needs of city households, schools, and businesses.

Conclusion: Rural communities have found that wireless networks are both more reliable and cheaper than land-based networks.

Option A - Correct:
According to the passage, the more the dissemination of wireless networks in cities, the more the potential it poses in meeting the needs of households, businesses, and schools. So, Urban areas have nothing to do with the effectiveness of the wireless network operation. Therefore, this claim is correct.

Option B - Incorrect:
This claim does not align with the passage argument as the passage has nothing to do with population density.

Option C - Incorrect:
Iceland!! This claim is out of context and not relevant to the argument in the passage,

Option D - Incorrect:
The passage argument is not centered on expenses incurred through wireless transmission in areas with large buildings but instead on wireless dissemination in cities being a practical way to meet household needs, schools and businesses. Therefore, this option is wrong.

Option E - Incorrect:
This is claim is out of context with respect to the passage in consideration.