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. Which HTTP header is critical for securing JSON responses?

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2. How do you deep clone a JSON-compatible object in JavaScript?

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3. Why is it important to validate JSON data received from external sources?

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4. How does Postman help in debugging JSON APIs?

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5. Which of these is a valid boolean value in JSON?

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6. How are key-value pairs separated in a JSON object?

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7. What is one method to detect changes in JSON data?

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8. How do you access the name of the first employee in the JSON structure { "department": { "employees": [ { "name": "John" }, { "name": "Alice" } ] } }?

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9. Which keyword specifies the schema for items in a JSON array?

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10. What is a common vulnerability associated with parsing untrusted JSON?

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