Micro Pc Tech - Which of the following is a technique used to protect data integrity?

Which of the following is a technique used to protect data integrity? A. Encryption B. Hashing C. Steganography D. Both A and B

The correct answer is:

D. Both A and B

Both encryption and hashing are techniques used to protect data integrity.

  • Encryption is primarily used to protect data confidentiality by encoding information so that only authorized parties can access it. However, some encryption methods also offer integrity protection by including checksums or cryptographic hashes to detect if the data has been altered.
  • Hashing is a technique that involves creating a fixed-size hash value from a set of data. It is used to verify the integrity of the data by comparing the hash value of the data before and after transmission or storage to check for any alterations.

Therefore, both encryption and hashing can be used to protect data integrity. Steganography, while useful for hiding information within other files or media, does not inherently protect data integrity.


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