JSON Interview Questions For Freshers

What is the purpose of JSON.parse() in JavaScript?

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How do you parse a JSON string in JavaScript?

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How would you convert a JSON object to a string?

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What are the basic data types supported by JSON?

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What is JSONP and how does it work?

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What is the purpose of JSON.stringify() in JavaScript?

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Explain what JSON Web Tokens (JWT) are and how they are used for authentication?

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What are the advantages of using JSON over XML?

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How can you validate a JSON object?

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What is the difference between null and undefined in JSON?

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How can you access nested objects in JSON?

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How do you remove a property from a JSON object?

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What is JSON Schema and how is it used?

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What is the difference between JSON and XML?

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How do you handle errors when parsing JSON data?

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Explain the concept of JSON serialization and deserialization.

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Describe an example of a valid JSON structure.

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What is the maximum depth level for nested objects in JSON?

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How does JSON support Unicode characters?

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What role does JSON play in AJAX?

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JSON Intermediate Interview Questions

What are some commonly used libraries for working with JSON in different programming languages?

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Explain how you can use JSONP to overcome cross-domain restrictions.

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What are some security considerations when working with JSON data?

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How can you download a JSON file using an API request?

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What is the purpose of JSONB in PostgreSQL?

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How do you handle quotation marks in a JSON string value?

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Explain what JSON-RPC is and how it is used for remote procedure calls.

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How can you pretty-print JSON data in different programming languages?

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What is JSON-LD and why is it used?

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What are the advantages of using JSON-LD over regular JSON?

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How can you include comments in a JSON file?

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Explain the process of JSON data validation using JSON Schema.

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How do you handle circular references in JSON?

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JSON Interview Questions For Experienced

What are some techniques for securing JSON data in transit and at rest?

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What is JSONata and how is it used for querying JSON data?

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Describe the process of transforming XML to JSON.

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What are some best practices for working with large JSON datasets?

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Explain how you can handle date and time formats in JSON.

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What are some strategies for optimizing JSON performance?

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How can you profile and debug JSON-related issues?

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What is JSON-Patch and how is it used for making partial updates to JSON documents?

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Describe how JSON can be used for configuration management.

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How do you handle nested arrays in JSON?

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What is JSON Streaming and how is it different from regular JSON?

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Explain the concept of JSON-LD contexts and how they are used for structured data.

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What are some common challenges when working with JSON data in distributed systems?

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How can you transform JSON data using XSLT?

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What is the purpose of JSON-SCHEMA.org and how is it used?

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Describe the difference between a JSON object and a JSON array.

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How do you handle large JSON files in memory-limited environments?

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