DevOps GitHub & GitLab - Practice Questions 2026

Mastering DevOps requires more than just watching videos; it requires the ability to apply version control logic under pressure. This comprehensive practice exam suite is designed specifically for professionals and students aiming to solidify their expertise in GitHub and GitLab. Whether you are preparing for a certification or a technical interview, these practice tests provide the rigorous environment needed to bridge the gap between theory and production-level DevOps.Why Serious Learners Choose These Practice ExamsSerious learners understand that the difference between a junior and a senior engineer often lies in their command of version control. This course is built to challenge your understanding of branching strategies, CI/CD integration, and repository security.Unmatched Depth: Unlike generic quizzes, these questions delve into the "why" behind Git commands and platform-specific features.Instructor Support: You are never alone. If a concept seems unclear, our instructors provide personalized feedback to ensure you master the material.Continuous Refinement: Our question bank is updated to reflect the latest changes in the DevOps ecosystem, including GitHub Actions and GitLab CI/CD pipelines.Course StructureOur curriculum follows a progressive learning path to ensure you build a rock-solid foundation before moving to complex automation.Basics / Foundations: Focuses on the absolute essentials of version control. You will be tested on the local Git lifecycle, including initializing repositories, staging changes, and understanding the difference between the working directory and the staging area.Core Concepts: Moves into the daily essentials of DevOps collaboration. This section covers branching, merging, remote repository synchronization, and resolving basic merge conflicts.Intermediate Concepts: Here, we explore platform-specific power tools. You will face questions on Pull Requests (GitHub), Merge Requests (GitLab), code review workflows, and utilizing labels, milestones, and issues for project management.Advanced Concepts: This module targets the "pro" user. Expect questions on rewriting history with interactive rebasing, cherry-picking specific commits, and managing submodules or large file storage (LFS).Real-world Scenarios: Designed to mimic a day on the job. These questions present a problem—such as a broken production pipeline or a corrupted branch—and ask you to identify the most efficient and safest recovery method.Mixed Revision / Final Test: A comprehensive, timed simulation that pulls questions from all previous sections. This is the ultimate benchmark to prove you are ready for a professional environment.Sample Practice QuestionsQuestion 1Your team wants to integrate a specific feature commit from the "development" branch into the "production" branch without merging the entire history of "development." Which Git command should you use?Option 1: git merge developmentOption 2: git rebase productionOption 3: git cherry-pick <commit-hash>Option 4: git pull --rebaseOption 5: git checkout -b productionCorrect Answer: Option 3Correct Answer Explanation: The git cherry-pick command allows you to select a single commit by its SHA hash and apply it to your current checked-out branch. This is the ideal solution for moving specific features or hotfixes between branches without bringing along unrelated changes.Wrong Answers Explanation:Option 1: This would perform a full merge, bringing in every commit from the development branch, which violates the requirement.Option 2: This would move the entire production history onto the development branch, which is the opposite of what was requested.Option 4: This is used to fetch remote changes and rebase your local work on top of them; it does not pick specific commits.Option 5: This simply creates a new branch named production, it does not move any commits.Question 2In a GitLab CI/CD pipeline, which keyword is used to ensure that a job only runs when a Merge Request is created?Option 1: when: manualOption 2: rules: if: $CI_PIPELINE_SOURCE == "merge_request_event"Option 3: only: [main]Option 4: trigger: includeOption 5: allow_failure: trueCorrect Answer: Option 2Correct Answer Explanation: In modern GitLab CI/CD syntax, the rules keyword is the preferred way to manage job execution logic. The variable $CI_PIPELINE_SOURCE with the value merge_request_event specifically targets jobs to run during the Merge Request lifecycle.Wrong Answers Explanation:Option 1: This makes the job require a human to click "play" to start, regardless of the event type.Option 3: This limits the job to only running when changes are pushed to the main branch.Option 4: This is used to trigger multi-project or child pipelines, not to define conditional execution based on MRs.Option 5: This allows a pipeline to continue even if the job fails, but it does not control when the job starts.Question 3You have accidentally committed a large configuration file containing sensitive API keys to your local GitHub repository. You have not pushed yet. What is the safest way to remove the file from the history?Option 1: git rm <file>Option 2: git checkout -- <file>Option 3: git reset --soft HEAD~1 and then remove the fileOption 4: git branch -D mainOption 5: git revert HEADCorrect Answer: Option 3Correct Answer Explanation: Since the commit is local and has not been pushed, git reset --soft HEAD~1 will undo the commit but keep your changes in the staging area. You can then remove the sensitive file and re-commit correctly. This keeps the history clean.Wrong Answers Explanation:Option 1: This removes the file from the current filesystem but the file remains in the previous commit's history.Option 2: This replaces your current changes with the version from the last commit; it would not remove the sensitive data already committed.Option 4: This deletes your entire main branch, which is a destructive action that doesn't solve the problem of correcting a specific commit.Option 5: This creates a new commit that undoes the changes, but the sensitive API key would still exist in the previous commit history for anyone to find.Course BenefitsWelcome to the best practice exams to help you prepare for your DevOps Git & Version Control journey. We are committed to your success.Unlimited Attempts: You can retake the exams as many times as you want to ensure total mastery.Huge Original Bank: Access a massive collection of original questions designed by industry experts.Expert Support: You get direct support from instructors if you have questions regarding any logic or answer.Detailed Explanations: Each question includes a deep-dive explanation so you learn from your mistakes immediately.Mobile Ready: Study on the go! This course is fully mobile-compatible with the Udemy app.Risk-Free: We offer a 30-days money-back guarantee if you are not satisfied with the content quality.We hope that by now you are convinced! There are a lot more questions inside the course waiting to challenge you.