Topic #: - All AWS Certified Big Data - Specialty Questions

A. Store a cryptographic hash of the credit card number.
B. Encrypt the credit card number with a symmetric encryption key, and give the key only to the authorized Data Scientist.
C. Mask the credit card numbers to only show the last four digits of the credit card number.
D. Encrypt the credit card number with an asymmetric encryption key and give the decryption key only to the authorized Data Scientist.

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