MCQs on Getting Started with Swagger | Swagger Multiple Choice Questions |Swagger MCQ questions and answers

Boost your understanding of Swagger with these Swagger MCQ questions and answers. Covering installation, configuration, basic UI usage, and creating OpenAPI specifications, these questions are perfect for developers and testers. Test your knowledge and enhance your expertise with this comprehensive set tailored for professionals working with Swagger.

Getting Started with Swagger

Setting Up Swagger (Installation & Configuration)

1. What is Swagger primarily used for?
   a) API documentation and design
   b) Database management
   c) Code debugging
   d) Front-end development
2. Which command installs Swagger CLI globally using npm?
   a) npm install swagger
   b) npm install -g swagger
   c) npm setup swagger
   d) swagger-cli install
3. What is the default file format for Swagger configurations?
   a) JSON
   b) YAML
   c) XML
   d) CSV
4. Which tool is used to serve a Swagger specification locally?
   a) Swagger Editor
   b) Swagger Codegen
   c) Swagger UI
   d) Swagger CLI
5. In Swagger, what is the purpose of the swagger.json file?
   a) To define database schemas
   b) To specify API endpoints and operations
   c) To configure server-side code
   d) To store user data
6. What is a common port used by Swagger UI to host local services?
   a) 3000
   b) 5000
   c) 8080
   d) 8000
7. Which of the following is required to start using Swagger in a project?
   a) A backend server setup
   b) An OpenAPI-compatible specification
   c) A relational database
   d) React or Angular integration

Basic Swagger UI Walkthrough

8. What is Swagger UI primarily used for?
   a) Automating API testing
   b) Generating server code
   c) Visualizing and interacting with APIs
   d) Managing API security
9. In Swagger UI, what is the “Try it out” button used for?
   a) Editing API documentation
   b) Testing API endpoints
   c) Generating OpenAPI specs
   d) Debugging front-end code
10. What does the Swagger UI “Authorize” button do?
    a) Adds authentication tokens for API requests
    b) Grants admin access to the API
    c) Configures CORS settings
    d) Updates the Swagger Editor
11. How can you access Swagger UI in a browser?
    a) Through a local file
    b) By running a server hosting the UI
    c) By installing the Swagger plugin
    d) By downloading the Swagger app
12. Which HTTP methods are commonly visible in Swagger UI?
    a) SELECT and EXECUTE
    b) READ and WRITE
    c) GET, POST, PUT, DELETE
    d) CONNECT, TRACE, PATCH
13. What is the purpose of tags in Swagger UI?
    a) To classify and group related API operations
    b) To enable authentication
    c) To filter request parameters
    d) To store logs
14. Which color does Swagger UI use to indicate a successful HTTP request?
    a) Blue
    b) Green
    c) Yellow
    d) Red
15. How do you upload an OpenAPI specification to Swagger UI?
    a) Using a command-line tool
    b) Copy-pasting JSON/YAML in the editor
    c) Importing through a browser extension
    d) Writing code in Swagger CLI

Creating Your First OpenAPI Specification

16. What is the purpose of OpenAPI Specification (OAS)?
    a) To define APIs in a standardized way
    b) To manage client-server interactions
    c) To replace backend development
    d) To optimize database queries
17. What is the minimum required field in an OpenAPI Specification?
    a) paths
    b) info
    c) host
    d) servers
18. What does the info section in OAS define?
    a) Server locations
    b) API metadata, such as title and version
    c) API authentication methods
    d) Request headers
19. How are endpoints described in OpenAPI Specification?
    a) Using the host tag
    b) Under the paths section
    c) Through definitions
    d) By adding queries
20. Which of the following is NOT part of an OpenAPI path definition?
    a) HTTP methods
    b) Responses
    c) Server configurations
    d) Query parameters
21. What is the use of the components section in OAS?
    a) To group reusable schemas, responses, and parameters
    b) To define security protocols
    c) To store server configurations
    d) To manage user authentication
22. Which Swagger Editor feature helps validate an OpenAPI specification?
    a) Syntax highlighter
    b) Auto-save
    c) Real-time error reporting
    d) Version control
23. What is the purpose of example in OpenAPI definitions?
    a) To format response data
    b) To provide sample input or output
    c) To validate API requests
    d) To define server behaviors
24. What does the responses section in OpenAPI define?
    a) Valid response codes and their descriptions
    b) List of servers to query
    c) API authentication methods
    d) Allowed HTTP methods
25. Which data types are supported in OpenAPI schema objects?
    a) String, integer, boolean, and array
    b) Text, list, dictionary, and JSON
    c) XML, YAML, and JSON
    d) Binary, raw, and HTML
26. How do you define security schemes in OpenAPI?
    a) Under the securityDefinitions section
    b) In the paths section
    c) Using the info tag
    d) Through external documentation
27. What is the purpose of servers in OAS?
    a) To define environments such as development or production
    b) To validate API responses
    c) To enable cross-origin requests
    d) To track API versions
28. How can you document multiple versions of an API in Swagger?
    a) Using x-version fields
    b) Maintaining separate files for each version
    c) Using tags for versioning
    d) Through dynamic server configurations
29. Which tool allows you to generate client SDKs from an OpenAPI Specification?
    a) Swagger Codegen
    b) Swagger CLI
    c) Swagger UI
    d) Swagger Studio
30. How can you validate an OpenAPI document for errors?
    a) Using the Swagger Validator Badge
    b) Debugging in Swagger CLI
    c) Manually comparing with API responses
    d) Through browser developer tools

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