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EC-Council

312-50V9 · Question #93

Smart cards use which protocol to transfer the certificate in a secure manner?

The correct answer is A. Extensible Authentication Protocol (EAP). EAP is the protocol used by smart card authentication systems to securely convey certificate credentials during the authentication handshake.

Cryptography

Question

Smart cards use which protocol to transfer the certificate in a secure manner?

Options

  • AExtensible Authentication Protocol (EAP)
  • BPoint to Point Protocol (PPP)
  • CPoint to Point Tunneling Protocol (PPTP)
  • DLayer 2 Tunneling Protocol (L2TP)

How the community answered

(30 responses)
  • A
    87% (26)
  • B
    3% (1)
  • C
    3% (1)
  • D
    7% (2)

Why each option

EAP is the protocol used by smart card authentication systems to securely convey certificate credentials during the authentication handshake.

AExtensible Authentication Protocol (EAP)Correct

EAP is an authentication framework defined in RFC 3748 that supports multiple authentication methods, including EAP-TLS, which enables certificate-based authentication used by smart cards. When a smart card is used, EAP-TLS facilitates the mutual exchange of X.509 certificates between the client and authentication server over a secure channel.

BPoint to Point Protocol (PPP)

PPP is a data link layer encapsulation protocol for serial connections and does not itself provide a mechanism for transferring or validating certificates.

CPoint to Point Tunneling Protocol (PPTP)

PPTP is a VPN tunneling protocol that encapsulates PPP frames for transmission over IP networks but does not define a certificate transfer mechanism.

DLayer 2 Tunneling Protocol (L2TP)

L2TP is a tunneling protocol that creates a virtual point-to-point connection but relies on IPsec for security and does not handle certificate exchange independently.

Concept tested: EAP certificate-based smart card authentication

Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/extensible-authentication-protocol/network-access

Topics

#smart card#EAP#certificate transfer#authentication protocol

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