正解:A
In Cisco DNA Center, the documentation for each API call is organized by its functional area within the Developer Toolkit. This toolkit is accessible through the Cisco DNA Center platform and provides detailed information about API calls, including their methods, parameters, and responses, which are crucial for developers when integrating with Cisco DNA Center's APIs. References: API Quick Start - Cisco Catalyst Center 2.3.7 - Cisco DevNet3.
https://developer.cisco.com/docs/dna-center/#!api-quick-start/cisco-dna-center-platform-api-overview