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DevOps / Ansible Interview questions

What is the difference between Ansible and Chef/Puppet?
AnsibleChef / Puppet
Agentless; connects via SSH/WinRM on demand.Agent-based; a daemon runs continuously on managed nodes.
YAML playbooks, procedural-ish but declarative modules.Ruby-based DSL (Chef) or a custom declarative DSL (Puppet).
Push model - control node pushes changes out.Typically pull model - agents periodically pull config from a server.
Lower barrier to entry; no dedicated master server required.Usually requires a central server (Chef Server / Puppet Master).

Ansible's push, agentless model suits teams that want to get started quickly without standing up new server infrastructure, and its YAML syntax is generally considered more approachable for people without a programming background. Chef and Puppet's pull-based, agent-driven model can be a better fit for very large, continuously self-healing fleets where nodes need to enforce their desired state on their own schedule rather than waiting for a push, though at the cost of more infrastructure and a steeper learning curve to operate.

Which tool typically uses a push model rather than a pull model?
What infrastructure does Chef/Puppet typically require that Ansible doesn't?

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