Marketing Cloud Developers Certification Practice Test 2026 - Free Marketing Cloud Practice Questions and Study Guide

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Which statement about JSON in REST payloads is true?

JSON is XML-based

JSON is a deprecated format

JSON sets a standardized method for consuming API payloads, leveraging JavaScript

JSON provides a lightweight, text-based data interchange format that web services use to carry structured data in REST payloads. It’s designed to be easy for clients to consume, and in the web context its syntax maps cleanly to JavaScript object and array literals, so JavaScript can parse and use the data with minimal effort (for example, via JSON.parse and response.json()). This combination—a standard, language-agnostic format that fits neatly with web front-ends—makes JSON the go-to choice for API payloads.

Other statements don’t fit because JSON is not XML-based, it isn’t deprecated, and browsers can parse JSON, not the opposite.

JSON cannot be parsed by browsers