What describes a structured collection of data?

The correct choice describes a structured collection of data in the form of a database. A database is designed specifically to store, manage, and retrieve data efficiently. It organizes data in a structured way, often using tables that contain rows and columns, which allows for easy access and manipulation of the information contained within.

Databases can handle various types of data and support complex queries, ensuring that data can be retrieved in an organized manner that aligns with the user's needs. This structure is essential for data integrity, consistency, and overall management within data-driven applications.

While other options may relate to technology or data transmission—like a switch or a router—they do not inherently define a structured collection of data. A table, while it can represent a portion of how data might be structured within a database, does not encompass the broader functionalities and organization principles that a database provides. Thus, a database stands out as the most appropriate choice in this context.