50 Free LPI DevOps Tools Engineer Practice Questions

Preparing for the LPI DevOps Tools Engineer? These questions cover the DevOps exam domains.

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Domain: CI/CD (Questions 1–12)

Question 1

What is the primary purpose of a CI/CD pipeline?

a) Manual code deployment
b) Automating build, test, and deployment processes
c) Replacing version control
d) Managing infrastructure manually

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Answer: b) Automating build, test, and deployment processes

Explanation: CI/CD automates the software delivery process: Continuous Integration (auto-build/test on commit) and Continuous Delivery/Deployment (auto-deploy to environments).

Question 2

Which Git branching strategy creates a new branch for each feature from main?

a) Git Flow
b) GitHub Flow
c) GitLab Flow
d) Trunk-based development

Show Answer

Answer: b) GitHub Flow

Explanation: GitHub Flow uses a main branch + feature branches (created from main → PR → merge back). Git Flow has develop/release/hotfix branches.

Questions 3–12

[Full set covers Jenkins, GitLab CI, GitHub Actions, pipeline stages, artifact management, and testing]

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Domain: Containers (Questions 13–24)

Question 3

Which Docker Compose command builds and starts all services?

a) docker-compose up
b) docker-compose start
c) docker-compose run
d) docker-compose create

Show Answer

Answer: a) docker-compose up

Explanation: docker-compose up builds (if needed), creates, and starts containers. -d runs in detached mode. docker-compose down stops and removes.

Questions 4–24

[Full set covers Dockerfile, Compose, container networking, volumes, and container security]

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Domain: Configuration Management (Questions 25–35)

Question 4

Which Ansible component defines the desired state of a system?

a) Playbook
b) Module
c) Inventory
d) Role

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Answer: a) Playbook

Explanation: Ansible Playbooks (YAML) define the desired state through plays, tasks, and modules. Roles organize playbooks and related files.

Questions 5–35

[Full set covers Ansible, Puppet, YAML, idempotency, modules, and inventory management]

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Domain: Monitoring and Infrastructure (Questions 36–50)

Question 5

Which Prometheus component scrapes metrics from targets?

a) Prometheus server
b) Alertmanager
c) Grafana
d) Pushgateway

Show Answer

Answer: a) Prometheus server

Explanation: The Prometheus server scrapes metrics from configured targets at specified intervals. Alertmanager handles alerts. Grafana visualizes. Pushgateway handles short-lived jobs.

Questions 6–50

[Full set covers Prometheus, Grafana, Nagios/Icinga, metrics collection, alerting, dashboards, and IaC with Terraform]

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