正解:B
key. In JSON, a key is the name on the left side of a name/value pair. If the word switch appears as the field name in the JSON schema, it is a key, while the data associated with it is the value. Arrays are ordered lists enclosed in square brackets, and objects are collections of key/value pairs enclosed in braces. Cisco CCNA
200-301 v1.1 Automation and Programmability expects candidates to recognize basic JSON syntax because modern Cisco APIs commonly return JSON payloads. The corrected answer is key. Misreading a key as a value causes parsing mistakes when working with REST APIs, automation scripts, and controller responses.