312-49 · Question #299
Windows identifies which application to open a file with by examining which of the following?
The correct answer is A. The File extension. Windows primarily uses the file extension (e.g., .docx, .pdf, .exe) to determine which application should open a file. This mapping is stored in the Windows Registry under file association keys. While file signatures (magic bytes at the beginning of a file) can be used by…
Question
Windows identifies which application to open a file with by examining which of the following?
Options
- AThe File extension
- BThe file attributes
- CThe file Signature at the end of the file
- DThe file signature at the beginning of the file
How the community answered
(25 responses)- A88% (22)
- C4% (1)
- D8% (2)
Explanation
Windows primarily uses the file extension (e.g., .docx, .pdf, .exe) to determine which application should open a file. This mapping is stored in the Windows Registry under file association keys. While file signatures (magic bytes at the beginning of a file) can be used by forensic tools or some applications to identify true file types, the Windows shell itself relies on the file extension for its default open behavior.
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