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

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."

View Answer

Answer: A

Explanation:

Reference: https://www.researchgate.net/publication/284332229_k­Anonymity_A_Model_for_Protecting_Privacy