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FC0-U71 Practice Question: A development team is using version control for…
A development team is using version control for their project. They need to isolate a new feature from the main codebase until it is complete. Which version control operation should they perform?
⚠ Common exam trap
CompTIA often tests the misconception that 'commit' or 'push' can isolate work, but these operations only record or share changes; they do not create a separate development path, which is the core purpose of a branch.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Branch
Branching creates a separate line of development within a version control system (e.g., Git, Mercurial), allowing the team to work on a new feature in isolation without affecting the main codebase (often called 'main' or 'master'). Once the feature is complete and tested, the branch can be merged back. This directly addresses the requirement to isolate work until it is finished.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Merge
Why it's wrong here
Merging combines changes from different branches, not isolates them.
- ✗
Commit
Why it's wrong here
Committing saves changes locally but does not isolate a feature.
- ✓
Branch
Why this is correct
Branching creates a separate workspace for developing a feature independently.
- ✗
Push
Why it's wrong here
Pushing uploads commits to a remote repository but does not isolate a feature.
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Same concept, more angles
1 more way this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A developer is working on a new feature and creates a copy of the main codebase to work in isolation. Later, this copy is merged back into the main branch. Which version control concept describes this copy?
medium- A.Merge
- ✓ B.Branch
- C.Commit
- D.Pull request
Why B: Branching creates a separate line of development, allowing isolated work on a feature before merging.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.