Diagnose a CI/CD Pipeline Failure (such as Missing Dependency, Incompatible Versions of Components, and Failed Tests) 350-901 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   A developer has fixed a CI/CD pipeline failure by updating a library version in the dependency manifest. The pipeline now passes. What is the most appropriate final step to ensure the fix is permanent?

   • ADocument the fix in a separate file.
   • BRerun the pipeline multiple times to ensure stability.
   • CNotify the team about the fix.
   • DCommit the change to the source code repository.
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2. 22application · medium

   A CI/CD pipeline for a Python application fails during the test stage. The test log shows an ImportError for a module that was recently updated. The requirements.txt file specifies the module version as 1.0.0, but the test environment has version 2.0.0 installed. What is the most likely cause of this failure?

   • AThe test environment has a different version of the module than specified in requirements.txt.
   • BThe requirements.txt file has a syntax error.
   • CThe test code has a bug that was introduced in the latest commit.
   • DThe test environment does not have the module installed.
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4. 23application · medium

   A CI/CD pipeline for a Ruby on Rails application fails during the test stage. The test log shows a failure in a test that checks the response code of an API endpoint. The test was passing in the previous build. The pipeline runs tests in a Docker container. What is the most likely cause of this failure?

   • AThe test framework version has changed.
   • BThe API endpoint has been removed from the application.
   • CThe test is flaky due to timing issues.
   • DThe API endpoint is returning a different response code because the test database is not migrated.
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5. 24application · medium

   A CI/CD pipeline for a Node.js application fails during the build stage. The log shows an error: 'npm ERR! code EINTEGRITY'. The package-lock.json file was recently updated. What is the most likely cause of this failure?

   • AThe Node.js version is incompatible with the npm version.
   • BThe integrity hash in package-lock.json does not match the actual package content.
   • CThe package-lock.json file is missing.
   • DThe npm registry is down.
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6. 25application · medium

   A CI/CD pipeline for a .NET application fails during the build stage. The error log shows: 'error CS0246: The type or namespace name 'Newtonsoft.Json' could not be found'. The project file references Newtonsoft.Json version 12.0.3. The build runs on a Windows agent. What is the most likely cause of this failure?

   • AThe build agent does not have the .NET SDK installed.
   • BThe Newtonsoft.Json package is incompatible with the .NET version used.
   • CThe project file has a typo in the package reference.
   • DThe NuGet package is not restored because the package source is not configured.
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