Which term is Card Identification Number used by American Express and Discover?

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Multiple Choice

Which term is Card Identification Number used by American Express and Discover?

Explanation:
Card verification codes have different names depending on the card network. American Express calls this number the Card Identification Number, or CID. Discover uses the same label for their verification code, so CID is the term associated with both networks. Other networks use different names like CVV2 or CVC2, but those aren’t the terms used by AmEx and Discover. So CID is the best answer because it reflects how both AmEx and Discover label their card security code.

Card verification codes have different names depending on the card network. American Express calls this number the Card Identification Number, or CID. Discover uses the same label for their verification code, so CID is the term associated with both networks. Other networks use different names like CVV2 or CVC2, but those aren’t the terms used by AmEx and Discover. So CID is the best answer because it reflects how both AmEx and Discover label their card security code.

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