FC0-U71 Applications and Software Practice Question
A user is trying to install software on a macOS computer and has downloaded a file with a .dmg extension. What should the user do with this file to install the software?
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
✓
Double-click the .dmg file to mount it, then run the installer inside.
.dmg files are disk images that need to be mounted to access the installer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use the command line to run 'installer -pkg file.dmg'.
Why it's wrong here
The installer command is for .pkg files, not .dmg.
- ✗
Extract the .dmg file using a decompression tool.
Why it's wrong here
.dmg files are not compressed archives; they are disk images.
- ✗
Rename the file to .app and drag it to the Applications folder.
Why it's wrong here
Renaming does not change the file type; .dmg must be mounted.
- ✓
Double-click the .dmg file to mount it, then run the installer inside.
Why this is correct
This is the typical macOS process.
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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.