What does it mean for Ansible to be agentless and how does it differ from tools like Puppet or Chef?

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Ansible Interview Questions

  1. [JUNIOR] What is Ansible and what are its primary use cases?
  2. [JUNIOR] What does it mean for Ansible to be agentless and how does it differ from tools like Puppet or Chef?
  3. [JUNIOR] What is an Ansible playbook?
  4. [JUNIOR] What is idempotency in Ansible and why is it important?
  5. [MID] How do Ansible roles promote modularity and what is the purpose of each directory in a standard role structure?
  6. [JUNIOR] What is an Ansible module and how do you look up its options?
  7. [JUNIOR] What is the difference between an ad-hoc command and a playbook?
  8. [JUNIOR] What is Ansible inventory and what are its types?
  9. [MID] What are handlers in Ansible and how do they work with notify, listen, and ordering?
  10. [MID] Explain the Ansible variable precedence ladder and common pitfalls when variables are defined in multiple places?
  11. [MID] What is Ansible Vault and how do you use it to securely manage sensitive data in playbooks?
  12. [MID] What is Ansible Tower and what features does it provide for managing automation workflows?
  13. [SENIOR] How do you optimize Ansible performance with forks, pipelining, SSH ControlPersist, and fact caching?
  14. [SENIOR] How would you design an Ansible-based rolling update strategy to ensure zero downtime for a multi-tier application?
  15. [JUNIOR] What is Infrastructure as Code and how does Ansible align with this concept?
  16. [JUNIOR] What is a YAML file and how is it used in Ansible?
  17. [JUNIOR] What is Ansible Galaxy and how does it relate to Collections?
  18. [JUNIOR] What are Ansible facts and how does fact gathering work?
  19. [MID] What is the difference between static and dynamic inventories in Ansible?
  20. [MID] How do you compare Ansible to Puppet and Chef in terms of architecture and approach?
  21. [MID] How do you use loops and conditionals together in Ansible playbooks?
  22. [MID] How do you use Jinja2 templates, filters, and tests in Ansible?
  23. [MID] When would you use include_tasks over import_tasks and what are the key differences?
  24. [SENIOR] How do you implement rolling updates with serial and how does max_fail_percentage influence rollout safety?
  25. [SENIOR] How do you integrate Ansible with CI/CD pipelines like Jenkins or GitLab CI?
  26. [SENIOR] How do you structure reusable Ansible roles for complex multi-tier deployments with defaults versus vars?
  27. [SENIOR] What are dynamic inventory plugins for cloud providers and how do you use them at scale?
  28. [EXPERT] How do you enforce idempotency when using non-idempotent modules like shell and command?
  29. [JUNIOR] What are the main features and advantages of using Ansible?
  30. [JUNIOR] How does Ansible connect to Linux hosts versus Windows hosts?
  31. [MID] What is the difference between block, rescue, and always for error handling in Ansible?
  32. [MID] What are Ansible Collections and how do they differ from roles?
  33. [MID] How do you use privilege escalation safely in Ansible?
  34. [MID] What is the difference between vars, vars_files, and vars_prompt in Ansible?
  35. [SENIOR] What are execution strategies in Ansible (linear, free, host_pinned, debug) and when do you use each?
  36. [SENIOR] How do you run long-running tasks asynchronously using async and poll and what are the trade-offs?
  37. [SENIOR] How do you handle external secret lookups with HashiCorp Vault or AWS SSM and manage multi-vault workflows?
  38. [SENIOR] What enterprise challenges do AWX and Red Hat Ansible Automation Platform solve that CLI Ansible cannot?
  39. [SENIOR] How do you use changed_when and failed_when to control task result reporting?
  40. [JUNIOR] What does ansible.cfg control and where can it live?
  41. [MID] How is the set_fact module different from vars, vars_file, or include_var?
  42. [MID] What is the difference between a playbook and a play in Ansible?
  43. [MID] What are callback plugins in Ansible and when might you use one?
  44. [SENIOR] How do you design and maintain tag hygiene across large playbook codebases?
  45. [SENIOR] How does Ansible interact with Kubernetes and what modules or collections are available?
  46. [SENIOR] How can you delegate tasks in Ansible and when is delegation useful?
  47. [EXPERT] What is Event-Driven Ansible (EDA) and when is it a better fit than scheduled or ad-hoc runs?
  48. [EXPERT] What are Execution Environments and ansible-navigator and how do they improve reproducibility in automation?
  49. [EXPERT] How do you build custom Ansible modules and plugins?
  50. [JUNIOR] How do you install Ansible and what are its system requirements?
  51. [MID] How do you copy files recursively onto a target host using Ansible?
  52. [SENIOR] How do you handle version control best practices for Ansible playbooks and roles?
  53. [EXPERT] How would you use ansible-pull for a pull-based architecture and when does it make sense over the default push model?
  54. [EXPERT] How do you implement role-based access control in Ansible Tower or AAP for multi-team environments?
  55. [EXPERT] How would you integrate Event-Driven Ansible to automatically remediate alerts from monitoring or SIEM systems?
  56. [EXPERT] What are the key parts of an EDA rulebook and how do sources, rules, conditions, and actions interact?
  57. [EXPERT] When is it unsafe to bulk-set task arguments from a variable and what security risks does this introduce?
  58. [EXPERT] How does the Ansible synchronize module work internally and what are its edge cases with SSH multiplexing?