📝 Tree structured file directories

Q1. Which file extension is commonly used for Microsoft Word documents that use the newer Office format?

💡 Difficulty: easy | ✅ Correct: B

Q2. How does a tree-structured directory hierarchy reduce name collisions compared to a flat file namespace?

💡 Difficulty: medium | ✅ Correct: C

Q3. How do file extensions influence MIME type selection, and what effect does this have on a web browser's handling of a downloaded file?

💡 Difficulty: hard | ✅ Correct: C