Sanity.io Interview Questions and Answers for freshers
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What is Sanity.io?
- Answer: Sanity.io is a real-time, collaborative headless CMS built on top of a flexible schema. It allows developers to build custom content models, manage content efficiently, and easily integrate with other applications via its powerful API.
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What are the key benefits of using Sanity.io?
- Answer: Key benefits include its flexibility (custom schema), scalability, real-time collaboration, strong developer experience, powerful API for integrations, and robust security features.
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How does Sanity.io's schema system work?
- Answer: Sanity uses a schema defined in JSON, allowing developers to define custom data types, fields, and relationships between different content pieces. This provides great flexibility and allows for highly tailored content models.
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Explain the concept of a "headless CMS."
- Answer: A headless CMS separates the content management backend from the frontend presentation layer. This allows content to be delivered to various platforms (web, mobile, IoT) without being tied to a specific framework or technology.
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What are some common use cases for Sanity.io?
- Answer: Common use cases include building websites, web applications, mobile apps, and other digital experiences where content needs to be managed efficiently and delivered across multiple platforms. E-commerce sites, blogs, and marketing websites are frequent examples.
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How does Sanity.io handle content versioning?
- Answer: Sanity provides robust versioning capabilities, allowing users to revert to previous versions of content and track changes over time. This is crucial for collaboration and managing content updates.
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What is GROQ?
- Answer: GROQ (Graph-Relational Object Queries) is Sanity's query language used to fetch and filter content from the Sanity dataset. It is designed for speed and efficiency.
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Explain the difference between a document and a schema in Sanity.io.
- Answer: The schema defines the structure and data types of your content (like a blueprint), while a document is an instance of content conforming to that schema (the actual house built from the blueprint).
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How can you integrate Sanity.io with other services?
- Answer: Sanity's API allows integration with various services through its RESTful API and GraphQL endpoint. It also supports webhooks for real-time event notifications.
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Describe your experience with JavaScript.
- Answer: [Candidate should detail their experience with JavaScript, including specific frameworks and libraries used. If a fresher, they should mention their educational experience and personal projects.]
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What is your understanding of RESTful APIs?
- Answer: [Candidate should explain REST architectural constraints: client-server, stateless, cacheable, uniform interface, layered system, code on demand (optional).]
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Explain your experience with version control systems (e.g., Git).
- Answer: [Candidate should describe their familiarity with Git commands like `clone`, `add`, `commit`, `push`, `pull`, `branch`, `merge`, and explain their understanding of branching strategies.]
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What are some common HTTP status codes and their meanings?
- Answer: [Candidate should list and explain several common status codes like 200 OK, 404 Not Found, 500 Internal Server Error, etc.]
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What is the difference between GET and POST requests?
- Answer: GET requests are used to retrieve data, while POST requests are used to submit data to be processed by the server. GET requests are typically idempotent, while POST requests are not.
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Describe your experience with databases (e.g., MongoDB, PostgreSQL).
- Answer: [Candidate should explain their knowledge of database concepts like schema design, querying, indexing, and any experience with specific database systems.]
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What is your experience with front-end frameworks (e.g., React, Vue, Angular)?
- Answer: [Candidate should detail their experience with specific frameworks, including component architecture, state management, and routing.]
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How familiar are you with GraphQL?
- Answer: [Candidate should explain their understanding of GraphQL's querying language, its advantages over REST, and any experience using it.]
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What are your preferred tools for debugging JavaScript code?
- Answer: [Candidate should mention tools like browser developer tools, linters, and debuggers.]
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How do you handle errors in your code?
- Answer: [Candidate should discuss techniques like try-catch blocks, error handling libraries, and logging.]
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