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Exam CIPT topic 1 question 25 discussion

Actual exam question from IAPP's CIPT
Question #: 25
Topic #: 1
[All CIPT Questions]

How does k-anonymity help to protect privacy in micro data sets?

  • A. By ensuring that every record in a set is part of a group of "k" records having similar identifying information.
  • B. By switching values between records in order to preserve most statistics while still maintaining privacy.
  • C. By adding sufficient noise to the data in order to hide the impact of any one individual.
  • D. By top-coding all age data above a value of "k."
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Suggested Answer: A 🗳️
Reference:
https://www.researchgate.net/publication/284332229_k-Anonymity_A_Model_for_Protecting_Privacy

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Ssourav
3 months, 2 weeks ago
Selected Answer: A
The correct answer is A. By ensuring that every record in a set is part of a group of "k" records having similar identifying information. K-anonymity is a method used to protect privacy in microdata sets by ensuring that each record is indistinguishable from at least k − 1 k−1 other records with respect to certain identifying attributes. This means that any single record cannot be uniquely identified within the dataset, as it shares the same values for key identifying fields with at least k k other records. This reduces the risk of re-identification of individuals within the dataset.
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837vq3
3 years, 1 month ago
k-anonymity relies on the creation of generalized, truncated, or redacted quasi-identifiers as replacements for direct identifiers such that a given minimum number (“k”) of individuals in a data set have the same identifier
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