Which network type is commonly illustrated by connections that span an entire city?

The network type that is commonly illustrated by connections spanning an entire city is a Metropolitan Area Network (MAN). A MAN is designed to cover a larger geographical area than a Local Area Network (LAN), which is typically limited to a single building or a group of nearby buildings. In contrast, a MAN interconnects multiple LANs within a city, making it suitable for organizations and service providers that need to transport data over distances of up to 50 kilometers or more.

MANs are often used to facilitate communication across a city, providing high-speed connections that enable efficient data transfer and services such as Internet access, video conferencing, and multimedia applications. Their structure allows for flexibility in connecting various nodes, such as businesses, government facilities, and public institutions within the urban area.

In summary, a Metropolitan Area Network (MAN) effectively serves urban environments by linking multiple connected networks and ensuring robust communication infrastructure across a city's landscape.