Q.

The Secure Electronic Transaction (SET) specification

A. is a notice, issued and verified by a certificate authority, that guarantees a user or Web site is legitimate
B. provides private-key encryption of all data that passes between a client and a server
C. allows users to choose an encryption scheme for the data that passes between a client and a server
D. uses a public-key encryption to secure credit-card transaction systems
E. None of these
Answer» D. uses a public-key encryption to secure credit-card transaction systems
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