📝 Acyclic graph file directories

📖 From Operating System • 11. File System Interface • 26 questions available

Practice MCQs for Acyclic graph file directories. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-26

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📝 Sample Questions

Q1. Which file extension typically indicates a Microsoft Word document?

🔹 A. .doc

🔹 B. .exe

🔹 C. .jpg

🔹 D. .mp3

💡 Difficulty: easy | ✅ Correct: A

Q2. If a file named report has no extension, how might an application determine its type?

🔹 A. By checking the file size

🔹 B. By reading the first few bytes for a magic number

🔹 C. By guessing based on the filename

🔹 D. By ignoring the file

💡 Difficulty: medium | ✅ Correct: D

Q3. Analyze how the use of ambiguous extensions (e.g., .bin) can lead to security vulnerabilities when files are executed.

🔹 A. Ambiguous extensions prevent users from seeing file size

🔹 B. Ambiguous extensions may cause the OS to treat unknown files as safe

🔹 C. Ambiguous extensions can be misinterpreted as trusted binaries allowing malicious code execution

🔹 D. Ambiguous extensions automatically encrypt files

💡 Difficulty: hard | ✅ Correct: D

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🔗 Related Topics

📝 File attributes concepts 📝 File operations concepts 📝 How many File types in file system 📝 File structure in file system 📝 Internal file structure

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