Postman Interview Questions and Solutions Preparation Follow Take a look at | Freshers to Skilled | Detailed Explanations
What you’ll study
Understanding of Postman’s Interface and Options
Proficiency in Creating and Managing API Requests
Mastery of Testing and Debugging APIs
Experience in Automating Workflows and Integrating with CI/CD Pipelines
Why take this course?
- What does “Surroundings” in Postman imply?
Right Reply: C. To customise requests with totally different variables for various contexts
Clarification: Environments in Postman are a strong function that enables customers to handle totally different units of information (equivalent to base URLs, headers, and different parameters) required by your API for various levels of improvement and deployment (like improvement, staging, manufacturing). You’ll be able to rapidly swap between these environments with out having to change the precise request. That is significantly helpful when working with APIs which have totally different configurations or require totally different authentication tokens for various environments, thus saving time and decreasing errors related to handbook modifications.
- What HTTP standing code sometimes represents a profitable GET request?
Right Reply: A. 200 OK
Clarification: The HTTP standing code 200 OK is the usual response for a profitable HTTP request, significantly with GET requests. It signifies that the server has efficiently acquired and processed the request, and it’s together with the requested knowledge within the response physique. This standing code confirms that the API endpoint is functioning as anticipated and returning the proper knowledge to the consumer.
- In Postman, what’s the objective of utilizing pre-request scripts?
Right Reply: B. To dynamically modify the request parameters earlier than sending it
Clarification: Pre-request scripts in Postman will let you execute JavaScript code earlier than a request is distributed to the server. These scripts can dynamically change request parameters, set cookies or headers, or carry out some other operation that prepares your request accordingly. This performance is essential for creating versatile and dynamic API testing eventualities the place the identical API endpoint could require totally different inputs primarily based on numerous situations or use instances.
- Which function in Postman permits customers to simulate an API response with out establishing a backend server?
Right Reply: B. Mock Servers
Clarification: Mock Servers in Postman allow customers to simulate API responses, offering a strategy to check frontend logic while not having an actual server or backend service. This function is especially helpful throughout the improvement section when the precise backend is probably not prepared but, or once you wish to check particular responses with out counting on the reside API’s availability or efficiency. Mock Servers help collaboration by permitting the sharing of mock knowledge amongst staff members.
- When utilizing Postman, what’s the advantage of exporting a set as a Postman Assortment Format (v2)?
Right Reply: A. It ensures compatibility with the newest Postman options and enhancements.
Clarification: Exporting a set in Postman Assortment Format (v2) ensures that your assortment is totally suitable with the newest options and enhancements launched by Postman. The v2 format consists of new options that is probably not supported within the older v1 format. By utilizing the v2 format, you may benefit from all the present options that Postman affords, equivalent to extra subtle testing, pre-request scripting, detailed descriptions, and improved construction and group of API requests. This ensures that your assortment is up-to-date with Postman’s capabilities for testing and improvement of APIs.
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