QuestionQ534

Network and Communications Security

Which of the following protocols are appropriate for securing VPN connections at the lower layers of the OSI model?

  • A S/MIME and SSH
  • B TLS and SSL
  • C IPsec and L2TP
  • D PKCS#10 and X.509
Explanation

IPsec protects IP packets at the network layer, while L2TP provides Layer 2 tunneling and is commonly used with IPsec to provide a secured VPN connection.

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