220-1102 Question #837: Real Exam Question with Answer & Explanation

The correct answer is C: Check the hash value. Checking the hash value (such as MD5, SHA-1, or SHA-256) is the best way to verify file integrity after downloading. A hash function generates a unique string for a file. If even a single bit in the file is changed, the hash value will be different. Many software vendors provide

Security

Question

A company downloads a large number of files over the internet daily. The company needs a way to ensure the files have not been modified or corrupted during the download process. Which of the following should the company do to verify the files?

Options

AClear browsing data
BInstall SSL certificates
CCheck the hash value
DUse trusted sources

Explanation

Checking the hash value (such as MD5, SHA-1, or SHA-256) is the best way to verify file integrity after downloading. A hash function generates a unique string for a file. If even a single bit in the file is changed, the hash value will be different. Many software vendors provide hash values (checksums) on their websites to help users confirm that the files were downloaded without corruption or tampering.

Topics

#File integrity#Hashing#Data verification#Security best practices

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