CompTIA A+ Question C-18

A user has downloaded an image file and needs to install an application from the image. When trying to execute or open the file, an error is displayed. Which of the following should the user perform?

A. Download a different file from the website
B. Rename the extension of the file to a known extension
C. Verify the MD5 hash of the downloaded file
D. Mount the file as an emulated DVD

Correct Answer: D