How do environmental features affect network availability?

Environmental features have a significant influence on network availability, particularly in how they can create blackspots. Blackspots are areas where signal coverage is poor or nonexistent, which can occur due to various environmental factors such as geographical obstacles, dense buildings, or natural terrain.

For instance, mountainous regions can obstruct the path of radio waves, leading to weak connections or complete lack of service in certain areas. Similarly, urban environments filled with tall buildings can reflect signals or create interference, leading to dead zones. These blackspots can disrupt connectivity and make it difficult for users in those areas to access network services reliably.

While other options suggest either no impact or an improvement in connectivity, they do not recognize the reality that environmental features can significantly impair network availability, highlighting the importance of understanding these physical barriers in network design and planning.