AWS DevOps Engineer Professional DOP-C01 – Question463

You have a playbook that includes a task to install a package for a service, put a configuration file for that package on the system and restart the service. The playbook is then run twice in a row. What would you expect Ansible to do on the second run?

A.
Remove the old package and config file and reinstall and then restart the service.
B. Take no action on the target host.
C. Check if the package is installed, check if the file matches the source file, if not reinstall it; restart the service.
D. Attempt to reinstall the package, copy the file and restart the service.

Correct Answer: C

Explanation:

Explanation:
Ansible follows an idempotence model and will not touch or change the system unless a change is warranted.
Reference:
http://docs.ansible.com/ansible/glossary.html