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How can you secure an API endpoint?

  • Add delay
  • Reduce payload
  • Use authentication and encryption
  • Set timeouts
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What does 302 status code indicate?

  • Internal error
  • Redirect
  • Conflict
  • Request success
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What does a 401 status code indicate in API testing?

  • Unauthorized access
  • Success
  • Server error
  • Resource created
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Which of the following best describes a REST API?

  • Resource Oriented
  • Stateful
  • Service-Oriented
  • Synchronous Only
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What does a response time of >2000ms indicate?

  • Resource deleted
  • Good performance
  • Server error
  • Potential performance issue
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What is a JSON Web Token (JWT) used for?

  • Rate limiting
  • Authorization
  • Formatting response
  • Encoding XML
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How is basic authentication passed in HTTP?

  • Cookie
  • JSON Token
  • Header field Authorization
  • In request body
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Which of these is used for API response schema validation?

  • JSON Schema
  • HTML Parser
  • CSV Tool
  • XPath
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What is the default format for REST API responses?

  • CSV
  • YAML
  • JSON
  • XML
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Which API method is not idempotent?

  • GET
  • DELETE
  • POST
  • PUT
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What does the OPTIONS HTTP method do?

  • Retrieves options supported by server
  • Retrieves list of resources
  • Deletes all data
  • Authenticates user
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What does the PUT method do in REST API?

  • Retrieves data
  • Deletes resource
  • Creates a new resource
  • Updates existing resource
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What is Postman Collection?

  • A set of variables
  • A folder for endpoints
  • A group of related API requests
  • Server logs
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What is the default port for HTTPS APIs?

  • 8080
  • 21
  • 80
  • 443
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Which content-type is used for JSON data?

  • text/html
  • application/xml
  • application/json
  • multipart/form-data
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What kind of tool is REST Assured?

  • Load testing tool
  • API test framework for Java
  • Browser automation
  • Logging tool
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What is the use of the Test Results section in Postman?

  • Show environment logs
  • Show executed assertions
  • Display test duration
  • Modify payload
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In API testing, what is a payload?

  • Authorization token
  • HTTP status
  • Response headers
  • Body of the request
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What does API stand for?

  • Automated Programming Interface
  • Advanced Programming Interface
  • Application Programming Interface
  • Application Process Integration
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What does 503 status code represent?

  • Server unavailable
  • Authentication failed
  • Resource updated
  • Permanent redirect
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What is the use of Content-Type in API headers?

  • Change URL
  • Authorize request
  • Specify data format
  • Log response
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Which status code is used for ?No Content??

  • 200
  • 204
  • 202
  • 400
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Which of these can NOT be part of an API test?

  • UI Color check
  • Authentication
  • Response validation
  • Header testing
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What tool can automate API tests in CI/CD pipelines?

  • Jenkins
  • GIMP
  • MS Word
  • Nginx
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What is the purpose of headers in API requests?

  • Redirect traffic
  • Encrypt request
  • Send additional info like content-type
  • Delete resources
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What is the common format for sending requests in REST APIs?

  • HTML
  • DOCX
  • JSON
  • MP3
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Which protocol is most commonly used in REST APIs?

  • FTP
  • HTTP
  • SSH
  • TCP
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What is the function of an API token?

  • Log user out
  • Compress request
  • Authenticate requests
  • Trigger events
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Which parameter is optional in a RESTful GET request?

  • Method
  • URL
  • Query string
  • Status code
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What does application/xml represent?

  • Database connection
  • MIME type for XML content
  • Header variable
  • URL encoding
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