API Testing CT-QDO Practice Questions (Page 6)

Questions 26–29

1. 26expert · hard

   A team is implementing a CI pipeline for a microservices architecture. They want to run API tests as early as possible, but some services depend on others that are not yet deployed. What is the best approach?

   • AUse service virtualization or mocks for unavailable dependencies.
   • BDefer API testing until all services are deployed.
   • CRun only UI tests until all services are ready.
   • DRun performance tests only, as they do not require all services.
   Reveal Solution Discussion Select an answer first
2. 27application · medium

   A team is building a new payment API. They want to verify that the API correctly handles valid and invalid payment requests, including edge cases like insufficient funds and expired cards. Which type of API testing is most appropriate?

   • AIntegration testing
   • BFunctional testing
   • CContract testing
   • DPerformance testing
   Reveal Solution Discussion Select an answer first
4. 28application · medium

   A DevOps team wants to integrate automated API tests into their CI pipeline. They need a tool that can be configured as code, run headlessly, and produce reports that can be shared with the team. Which tool best fits these requirements?

   • APostman with Newman in a CI job
   • BA UI automation tool like Selenium WebDriver
   • CA manual testing tool that requires a GUI to execute tests
   • DA spreadsheet-based test case tracker
   Reveal Solution Discussion Select an answer first
5. 29application · medium

   A QA team is automating API tests for a service that requires OAuth2 authentication. They notice that tests fail intermittently because access tokens expire during long test runs. What is the best practice to handle this?

   • AImplement a token refresh mechanism in the test setup that obtains a new token when needed.
   • BRun tests only when tokens are freshly generated, just before the test suite starts.
   • CHard-code a long-lived token in the test configuration to avoid expiration.
   • DDisable authentication in the test environment to simplify test execution.
   Reveal Solution Discussion Select an answer first