Which of the following is a one-way function that provides assurance of data integrity?

Rationale

Hashing is a one-way function that provides assurance of data integrity.

Hashing transforms input data into a fixed-size string of characters, which serves as a unique identifier for the original data. This process is irreversible, meaning that the original data cannot be easily retrieved from the hash, thereby ensuring data integrity by allowing verification without exposing the original content.

A (Hashing) CORRECT

Hashing is indeed a one-way function that generates a unique hash value representing the input data. It is widely used to verify data integrity, as even a small change in the input will result in a significantly different hash output, making it easy to detect alterations.

B (Sailing) YOUR ANSWER

Sailing is unrelated to data integrity or computing processes. It refers to the act of navigating a boat or ship, which does not involve any functions for ensuring data security or integrity. Therefore, it cannot be classified as a one-way function or related to data handling.

C (Segmentation) YOUR ANSWER

Segmentation is a network and data management technique that involves dividing data into smaller parts for processing or storage. While it can aid in data organization and efficiency, it does not provide a mechanism for data integrity assurance and is not a one-way function.

D (Tokenization) YOUR ANSWER

Tokenization refers to the process of replacing sensitive data with unique identification symbols (tokens) that retain essential information without compromising security. While useful for protecting data, it is not a one-way function like hashing, as the original data can potentially be retrieved.

Conclusion

Hashing stands out as the only choice that serves as a one-way function specifically designed to assure data integrity. It securely represents the original data in a way that allows for validation without revealing the actual content. In contrast, sailing, segmentation, and tokenization do not fulfill the criteria of a one-way function or directly ensure data integrity.

Which of the following is a one-way function that provides assurance of data integrity?

Hashing is a one-way function that provides assurance of data integrity.

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