CI/CD · Jenkins interview questions

60 real CI/CD · Jenkins questions from the DevOps & SRE bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is Pipeline?

Junior
  1. A.a logically grouped block of steps in a pipeline that appears as a phase in the UI
  2. B.a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.a topology where a controller schedules work onto distributed agents for scalable builds
  4. D.injecting stored secrets into a build as environment variables or files at runtime
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3. Which statement is correct?

Junior
  1. A.Pipeline — the machine or executor where Jenkins runs the build steps
  2. B.Pipeline — a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.Pipeline — a build executor (often a Kubernetes pod) created on demand and destroyed after the build
  4. D.Pipeline — a Jenkins UI plugin providing a visual pipeline editor and run visualization
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4. What is Declarative pipeline?

Junior
  1. A.a topology where a controller schedules work onto distributed agents for scalable builds
  2. B.a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.a Groovy-based Jenkinsfile syntax offering full programmatic control
  4. D.a structured, opinionated Jenkinsfile syntax using a pipeline block with stages
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6. Which statement is correct?

Junior
  1. A.Declarative pipeline — a structured, opinionated Jenkinsfile syntax using a pipeline block with stages
  2. B.Declarative pipeline — a Jenkins UI plugin providing a visual pipeline editor and run visualization
  3. C.Declarative pipeline — a suite of plugins that models a delivery process as code in a Jenkinsfile
  4. D.Declarative pipeline — injecting stored secrets into a build as environment variables or files at runtime
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7. What is Scripted pipeline?

Junior
  1. A.a classic GUI-configured Jenkins job not defined as pipeline code
  2. B.a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.injecting stored secrets into a build as environment variables or files at runtime
  4. D.a Groovy-based Jenkinsfile syntax offering full programmatic control
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9. Which statement is correct?

Junior
  1. A.Scripted pipeline — a topology where a controller schedules work onto distributed agents for scalable builds
  2. B.Scripted pipeline — a project that automatically creates a pipeline for each branch containing a Jenkinsfile
  3. C.Scripted pipeline — a Groovy-based Jenkinsfile syntax offering full programmatic control
  4. D.Scripted pipeline — a build executor (often a Kubernetes pod) created on demand and destroyed after the build
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10. What is Node/agent?

Junior
  1. A.a logically grouped block of steps in a pipeline that appears as a phase in the UI
  2. B.a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.the machine or executor where Jenkins runs the build steps
  4. D.a project that automatically creates a pipeline for each branch containing a Jenkinsfile
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12. Which statement is correct?

Junior
  1. A.Node/agent — a project that automatically creates a pipeline for each branch containing a Jenkinsfile
  2. B.Node/agent — a structured, opinionated Jenkinsfile syntax using a pipeline block with stages
  3. C.Node/agent — a topology where a controller schedules work onto distributed agents for scalable builds
  4. D.Node/agent — the machine or executor where Jenkins runs the build steps
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13. What is Stage?

Junior
  1. A.a logically grouped block of steps in a pipeline that appears as a phase in the UI
  2. B.a Groovy-based Jenkinsfile syntax offering full programmatic control
  3. C.injecting stored secrets into a build as environment variables or files at runtime
  4. D.a suite of plugins that models a delivery process as code in a Jenkinsfile
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15. Which statement is correct?

Junior
  1. A.Stage — a logically grouped block of steps in a pipeline that appears as a phase in the UI
  2. B.Stage — a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.Stage — injecting stored secrets into a build as environment variables or files at runtime
  4. D.Stage — a classic GUI-configured Jenkins job not defined as pipeline code
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16. What is Freestyle job?

Junior
  1. A.injecting stored secrets into a build as environment variables or files at runtime
  2. B.a classic GUI-configured Jenkins job not defined as pipeline code
  3. C.the machine or executor where Jenkins runs the build steps
  4. D.a project that automatically creates a pipeline for each branch containing a Jenkinsfile
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18. Which statement is correct?

Junior
  1. A.Freestyle job — a suite of plugins that models a delivery process as code in a Jenkinsfile
  2. B.Freestyle job — a Jenkins UI plugin providing a visual pipeline editor and run visualization
  3. C.Freestyle job — reusable Groovy pipeline code stored in a separate repository and loaded across jobs
  4. D.Freestyle job — a classic GUI-configured Jenkins job not defined as pipeline code
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19. What is Shared library?

Mid
  1. A.reusable Groovy pipeline code stored in a separate repository and loaded across jobs
  2. B.a classic GUI-configured Jenkins job not defined as pipeline code
  3. C.a topology where a controller schedules work onto distributed agents for scalable builds
  4. D.a build executor (often a Kubernetes pod) created on demand and destroyed after the build
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21. Which statement is correct?

Mid
  1. A.Shared library — injecting stored secrets into a build as environment variables or files at runtime
  2. B.Shared library — the machine or executor where Jenkins runs the build steps
  3. C.Shared library — a topology where a controller schedules work onto distributed agents for scalable builds
  4. D.Shared library — reusable Groovy pipeline code stored in a separate repository and loaded across jobs
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22. What is Multibranch pipeline?

Mid
  1. A.a build executor (often a Kubernetes pod) created on demand and destroyed after the build
  2. B.a topology where a controller schedules work onto distributed agents for scalable builds
  3. C.a classic GUI-configured Jenkins job not defined as pipeline code
  4. D.a project that automatically creates a pipeline for each branch containing a Jenkinsfile
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24. Which statement is correct?

Mid
  1. A.Multibranch pipeline — a project that automatically creates a pipeline for each branch containing a Jenkinsfile
  2. B.Multibranch pipeline — the machine or executor where Jenkins runs the build steps
  3. C.Multibranch pipeline — a topology where a controller schedules work onto distributed agents for scalable builds
  4. D.Multibranch pipeline — a Jenkins UI plugin providing a visual pipeline editor and run visualization
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25. What is Credentials binding?

Mid
  1. A.a Jenkins UI plugin providing a visual pipeline editor and run visualization
  2. B.injecting stored secrets into a build as environment variables or files at runtime
  3. C.reusable Groovy pipeline code stored in a separate repository and loaded across jobs
  4. D.a Groovy-based Jenkinsfile syntax offering full programmatic control
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27. Which statement is correct?

Mid
  1. A.Credentials binding — injecting stored secrets into a build as environment variables or files at runtime
  2. B.Credentials binding — reusable Groovy pipeline code stored in a separate repository and loaded across jobs
  3. C.Credentials binding — a suite of plugins that models a delivery process as code in a Jenkinsfile
  4. D.Credentials binding — the machine or executor where Jenkins runs the build steps
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28. What is Blue Ocean?

Mid
  1. A.reusable Groovy pipeline code stored in a separate repository and loaded across jobs
  2. B.a Jenkins UI plugin providing a visual pipeline editor and run visualization
  3. C.a suite of plugins that models a delivery process as code in a Jenkinsfile
  4. D.the machine or executor where Jenkins runs the build steps
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30. Which statement is correct?

Mid
  1. A.Blue Ocean — a project that automatically creates a pipeline for each branch containing a Jenkinsfile
  2. B.Blue Ocean — a suite of plugins that models a delivery process as code in a Jenkinsfile
  3. C.Blue Ocean — a Jenkins UI plugin providing a visual pipeline editor and run visualization
  4. D.Blue Ocean — a classic GUI-configured Jenkins job not defined as pipeline code
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