CompTIA 220-802 Certification Practice Test

Answer: D - Smart cards are used for access control, and they can contain a small amount of information. Smart cards are replacing magnetic cards in many instances because they can store additional personal information and are harder to copy or counterfeit.

Key Takeaway: It is important that you use the right media type in order to protect critical personal information. Smart cards can store a small amount of information and are used for identification, financial transactions, computer single sign on, storage of encryption keys, etc..