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The correct answer is A.

OBJ-2.4: A smart card is used in applications that need to protect personal information and/or deliver fast, secure transactions, such as transit fare payment cards, government, and corporate identification cards, documents such as electronic passports and visas, and financial payment cards. Often, smart cards are used as part of a multifactor authentication system where the smart card and a PIN needs to be entered for system authentication to occur.

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