Are you planning to take the Security+ exam? If so, make sure you know how to protect data such as Personally Identifiable Information (PII) data.
See if you can answer this sample test question.
Q. You need to transmit PII via email and you want to maintain its confidentiality. Of the following choices, what is the BEST solution?
A. Use hashes.
B. Encrypt it before sending.
C. Protect it with a digital signature.
D. Use RAID.
See if you're correct along with a full explanation here.