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Q: '.bak' extension refers to what kind of file?

  • 1
    Document
  • 2
    Movie/Video file
  • 3
    Backup file
  • 4
    Audio file
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Answer : 3. "Backup file"
Explanation :

Answer: C) Backup file Explanation: In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.

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