You are tasked with securely transmitting credit card data over the internet. Which cryptographic protocol would be most appropriate to ensure data integrity, confidentiality, and authentication?

  • FTP
  • MD5
  • SHA-256
  • SSL/TLS
The most appropriate cryptographic protocol for securely transmitting sensitive data like credit card information over the internet is 'SSL/TLS' (Secure Sockets Layer/Transport Layer Security). SSL/TLS provides data integrity, confidentiality, and authentication through encryption and certificates.
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