A digital certificate is an attachment to an e-mail message or data embedded in a Web site that verifies the identity of a sender or a Web site.
Correct Answer:
Verified
Q23: Around _ percent of U.S. Internet users
Q24: A storefront broker is a business that
Q26: _ is a form of e-commerce in
Q26: Digital certificates verify both purchaser and supplier
Q27: _ is a subset of e-commerce that
Q28: A smart card carries no preset spending
Q29: A(n) _ is a single Web site
Q30: Smart cards are less protected from misuse
Q32: _ divides the pool of potential customers
Q32: For 2009, U.S. B2B revenue was estimated
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