CompTIA A+ Core 2 (220-1102) — Question 550

Which of the following macOS file types requires mounting before installation?

Answer options

• A. .pkg
• B. .zip
• C. .app
• D. .dmg

Correct answer: D

Explanation

.dmg files are disk image files that must be mounted to access their contents, making them necessary for installation. The other file types, such as .pkg, .zip, and .app, do not require mounting and can be directly accessed or installed without this step.