Which security solution should an Integration Architect recommend to fulfill the business use case?

Northern Trail Outfitters has a requirement to encrypt few of widely used standard fields.

They also want to be able to use these fields inworkflow rules.

Which security solution should an Integration Architect recommend to fulfill the business use case?
A . Cryptography Class
B. Data Masking
C. Classic Encryption
D. Platform Shield Encryption

Answer: D

Explanation:

https://help.salesforce.com/articleView?id=data_mask_overview.htm&type=5 https://help.salesforce.com/articleView?id=security_pe_vs_classic_encryption.htm&type=5