CIA triad · Question 5 of 12
What is the easiest way to check whether a downloaded file has been modified?
1 answer is correct. Easy
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Answer
- D Comparing its hash value with the published value
Explanation
A cryptographic hash value changes significantly with even the smallest change to the file. If the value you calculate matches the one published by the vendor, the file is almost certainly unchanged. Encrypting the file after the download says nothing about whether it was tampered with beforehand.