Multiple choice

Secure Electronic Transaction (SET) specification

  1. is a notice issued and verified by a certificate authority that guarantees whether a user or Web site is legitimate or not

  2. provides private-key encryption of all data that passes between a client and a server

  3. allows users to choose an encryption scheme for the data that passes between a client and a server

  4. uses a public-key encryption to secure credit-card transaction systems

  5. none of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SET (Secure Electronic Transaction) is a protocol for securing credit card transactions over networks. It uses public-key encryption (digital certificates) to authenticate both merchants and cardholders, ensuring secure payment processing. Options A, B, and C describe other security concepts (digital certificates, SSL, and encryption choice respectively).

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