When a sales clerk accepts a credit card payment, he or she should type the last four

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When a sales clerk accepts a credit card payment, he or she should type the last four digits of the credit card into the terminal in order for the terminal to verify that the last four digits on the card are the same as on the magnetic stripe. Why should the sales clerk not ask the customer what the last four digits are?

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Business Data Networks and Security

ISBN: 978-0134817125

11th Edition

Authors: Raymond R. Panko, Julia L. Panko

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