Diagnose a CI/CD Pipeline Failure (such as Missing Dependency, Incompatible Versions of Components, and Failed Tests) 350-901 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   A developer is reviewing a CI/CD pipeline that consists of stages for build, test, and deploy. The pipeline fails during the deploy stage. Which statement best describes where the failure occurred?

   • AThe failure occurred while running unit tests against the application code.
   • BThe failure occurred after the application was built and tested, during the process of releasing it to the target environment.
   • CThe failure occurred while fetching dependencies from the package repository.
   • DThe failure occurred before the application was compiled.
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2. 2foundation · easy

   A CI/CD pipeline fails during the test stage. The test report shows that a test for a login function failed because the expected response time was under 2 seconds, but the actual response time was 5 seconds. What is the most likely root cause of this failure?

   • AThe login function returns incorrect data.
   • BThe test environment has a firewall blocking the login request.
   • CThe login function has a performance issue, such as a slow database query.
   • DThe test case has a syntax error.
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4. 3application · medium

   A CI/CD pipeline for a Java microservice fails during the integration test stage. The test logs show a NoSuchMethodError for a method in a library that was recently updated. The pom.xml declares the library version as 2.0.0, but the build server's local Maven repository has an older version cached. What is the most likely cause of this failure?

   • AThe integration test environment has a different Java version than the build environment.
   • BThe application code is using a method that was removed in version 2.0.0.
   • CThe Maven build is using a cached older version of the library instead of the declared 2.0.0.
   • DThe pom.xml has a typo in the library's group ID.
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5. 4application · medium

   A CI/CD pipeline for a React application fails during the build stage. The log shows an error: 'Module not found: Can't resolve 'react-dom''. The package.json file lists react-dom as a dependency. The pipeline runs npm install before the build. What is the most likely cause of this failure?

   • AThe package.json file has a typo in the dependency name.
   • BThe node_modules directory is not being installed correctly because npm install is failing silently.
   • CThe react-dom package is incompatible with the React version.
   • DThe build is using a different Node.js version than the one used to install dependencies.
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6. 5expert · hard

   A CI/CD pipeline for a Python application fails during the build stage. The log shows an error: 'ImportError: cannot import name 'foo' from 'bar''. The bar library was recently updated from version 1.0.0 to 2.0.0. The requirements.txt file specifies bar==1.0.0. What is the most likely cause of this failure?

   • AThe requirements.txt file has a syntax error.
   • BThe bar library is not installed in the build environment.
   • CThe build environment is using bar version 2.0.0 instead of the specified 1.0.0.
   • DThe application code has a bug that was introduced in the latest commit.
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