This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various JSON topics, including the introduction to JSON, JSON syntax and basics, data types, operations in JavaScript, APIs and JSON, advanced structures, JSON Schema, tools and debugging, as well as performance and security considerations. Whether you’re new to JSON or looking to refine your skills, this quiz will enhance your understanding of JSON’s role in modern web development.

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10 Minutes JSON Quiz Test Online

Welcome to the JSON Quiz! This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various JSON topics, including the introduction to JSON, JSON syntax and basics, data types, operations in JavaScript, APIs and JSON, advanced structures, JSON Schema, tools and debugging, as well as performance and security considerations. Whether you're new to JSON or looking to refine your skills, this quiz will enhance your understanding of JSON's role in modern web development.

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1. Can a JSON object be empty?

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2. How can you format JSON output with spaces using JSON.stringify()?

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3. Which HTTP method is typically used for sending data to an API?

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4. Which data structure is JSON closest to?

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5. How is JSON used in data interchange for machine learning models?

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6. Can a JSON object have duplicate keys?

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7. How does HTTPS improve the security of JSON data transmission?

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8. What is the use of the $ref keyword in JSON Schema?

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9. In which cloud service is JSON commonly used for defining infrastructure as code?

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10. Which of these is a valid JSON array of strings?

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