SSCP: Systems Security Certified PractitionerDemo

By ISC · Question Mode

QuestionQ296

Network and Communications Security

Which of the following security-oriented protocols provides confidentiality services at a different layer than the others?

  • A Secure HTTP (S-HTTP)
  • B FTP Secure (FTPS)
  • C Secure socket layer (SSL)
  • D Sequenced Packet Exchange (SPX)
Explanation

Secure HTTP (S-HTTP) applies confidentiality at the application layer as part of HTTP message handling. FTPS relies on SSL/TLS, whose confidentiality service operates below the application protocol; SPX does not itself provide a confidentiality service.

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