Multiple choice

Which of the following security mechanisms encompasses the dealings between the credit card holders, public key certificate authorities, vendors, etc.?

  1. Key Info

  2. Packet filtering gateway

  3. Secure electronic transaction

  4. Transport layer security

  5. Message authentication code
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It encompasses the dealings between the credit card holders, public key certificate authorities, vendors, etc.

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