Kubernetes · Config & Helm interview questions

51 real Kubernetes · Config & Helm 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 ConfigMap?

Junior
  1. A.a packaged collection of templated Kubernetes manifests with configurable values
  2. B.a policy capping aggregate resource consumption within a namespace
  3. C.an object storing non-confidential configuration as key-value pairs for pods to consume
  4. D.a subchart referenced in Chart.yaml and pulled into a parent chart
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3. Which statement is correct?

Junior
  1. A.ConfigMap — a subchart referenced in Chart.yaml and pulled into a parent chart
  2. B.ConfigMap — an object storing non-confidential configuration as key-value pairs for pods to consume
  3. C.ConfigMap — Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  4. D.ConfigMap — the file supplying configuration values that fill in a Helm chart's templates
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4. What is Secret?

Junior
  1. A.a packaged collection of templated Kubernetes manifests with configurable values
  2. B.a base-plus-patch approach that customizes manifests per environment without templating
  3. C.an object storing sensitive data like passwords, base64-encoded by default
  4. D.a named, deployed instance of a chart in a cluster
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6. Which statement is correct?

Junior
  1. A.Secret — a subchart referenced in Chart.yaml and pulled into a parent chart
  2. B.Secret — a base-plus-patch approach that customizes manifests per environment without templating
  3. C.Secret — a policy capping aggregate resource consumption within a namespace
  4. D.Secret — an object storing sensitive data like passwords, base64-encoded by default
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7. What is Helm chart?

Junior
  1. A.Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  2. B.a named, deployed instance of a chart in a cluster
  3. C.a packaged collection of templated Kubernetes manifests with configurable values
  4. D.a base-plus-patch approach that customizes manifests per environment without templating
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9. Which statement is correct?

Junior
  1. A.Helm chart — client-side generation of final manifests by combining templates with values before apply
  2. B.Helm chart — a named, deployed instance of a chart in a cluster
  3. C.Helm chart — a packaged collection of templated Kubernetes manifests with configurable values
  4. D.Helm chart — an object storing non-confidential configuration as key-value pairs for pods to consume
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10. What is Helm release?

Junior
  1. A.an object storing sensitive data like passwords, base64-encoded by default
  2. B.a named, deployed instance of a chart in a cluster
  3. C.a base-plus-patch approach that customizes manifests per environment without templating
  4. D.client-side generation of final manifests by combining templates with values before apply
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12. Which statement is correct?

Junior
  1. A.Helm release — an object storing sensitive data like passwords, base64-encoded by default
  2. B.Helm release — the file supplying configuration values that fill in a Helm chart's templates
  3. C.Helm release — a named, deployed instance of a chart in a cluster
  4. D.Helm release — a base-plus-patch approach that customizes manifests per environment without templating
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13. What is values.yaml?

Junior
  1. A.a subchart referenced in Chart.yaml and pulled into a parent chart
  2. B.the file supplying configuration values that fill in a Helm chart's templates
  3. C.a policy capping aggregate resource consumption within a namespace
  4. D.a base-plus-patch approach that customizes manifests per environment without templating
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15. Which statement is correct?

Junior
  1. A.values.yaml — the file supplying configuration values that fill in a Helm chart's templates
  2. B.values.yaml — Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  3. C.values.yaml — a subchart referenced in Chart.yaml and pulled into a parent chart
  4. D.values.yaml — a named, deployed instance of a chart in a cluster
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16. What is Kustomize overlay?

Mid
  1. A.a base-plus-patch approach that customizes manifests per environment without templating
  2. B.a packaged collection of templated Kubernetes manifests with configurable values
  3. C.an object storing sensitive data like passwords, base64-encoded by default
  4. D.Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
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18. Which statement is correct?

Mid
  1. A.Kustomize overlay — client-side generation of final manifests by combining templates with values before apply
  2. B.Kustomize overlay — a base-plus-patch approach that customizes manifests per environment without templating
  3. C.Kustomize overlay — an object storing sensitive data like passwords, base64-encoded by default
  4. D.Kustomize overlay — the file supplying configuration values that fill in a Helm chart's templates
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19. What is Helm chart dependency?

Mid
  1. A.a subchart referenced in Chart.yaml and pulled into a parent chart
  2. B.an object storing non-confidential configuration as key-value pairs for pods to consume
  3. C.Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  4. D.an object storing sensitive data like passwords, base64-encoded by default
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21. Which statement is correct?

Mid
  1. A.Helm chart dependency — the file supplying configuration values that fill in a Helm chart's templates
  2. B.Helm chart dependency — a subchart referenced in Chart.yaml and pulled into a parent chart
  3. C.Helm chart dependency — a named, deployed instance of a chart in a cluster
  4. D.Helm chart dependency — a policy capping aggregate resource consumption within a namespace
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22. What is Chart hooks?

Mid
  1. A.Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  2. B.a subchart referenced in Chart.yaml and pulled into a parent chart
  3. C.the file supplying configuration values that fill in a Helm chart's templates
  4. D.client-side generation of final manifests by combining templates with values before apply
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24. Which statement is correct?

Mid
  1. A.Chart hooks — client-side generation of final manifests by combining templates with values before apply
  2. B.Chart hooks — Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  3. C.Chart hooks — a named, deployed instance of a chart in a cluster
  4. D.Chart hooks — the file supplying configuration values that fill in a Helm chart's templates
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25. What is Helm template rendering?

Senior
  1. A.the file supplying configuration values that fill in a Helm chart's templates
  2. B.a subchart referenced in Chart.yaml and pulled into a parent chart
  3. C.client-side generation of final manifests by combining templates with values before apply
  4. D.a base-plus-patch approach that customizes manifests per environment without templating
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27. Which statement is correct?

Senior
  1. A.Helm template rendering — a base-plus-patch approach that customizes manifests per environment without templating
  2. B.Helm template rendering — a named, deployed instance of a chart in a cluster
  3. C.Helm template rendering — an object storing sensitive data like passwords, base64-encoded by default
  4. D.Helm template rendering — client-side generation of final manifests by combining templates with values before apply
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28. What is ResourceQuota?

Senior
  1. A.a named, deployed instance of a chart in a cluster
  2. B.a subchart referenced in Chart.yaml and pulled into a parent chart
  3. C.a policy capping aggregate resource consumption within a namespace
  4. D.an object storing sensitive data like passwords, base64-encoded by default
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30. Which statement is correct?

Senior
  1. A.ResourceQuota — Helm annotations that run resources at lifecycle points like pre-install or post-upgrade
  2. B.ResourceQuota — a base-plus-patch approach that customizes manifests per environment without templating
  3. C.ResourceQuota — a packaged collection of templated Kubernetes manifests with configurable values
  4. D.ResourceQuota — a policy capping aggregate resource consumption within a namespace
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