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EC-Council

312-50V9 · Question #164

Which element of Public Key Infrastructure (PKI) verifies the applicant?

The correct answer is C. Registration authority. In PKI, the Registration Authority (RA) is the component responsible for verifying the identity of certificate applicants before the Certificate Authority issues a certificate.

Cryptography

Question

Which element of Public Key Infrastructure (PKI) verifies the applicant?

Options

  • ACertificate authority
  • BValidation authority
  • CRegistration authority
  • DVerification authority

How the community answered

(48 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    94% (45)

Why each option

In PKI, the Registration Authority (RA) is the component responsible for verifying the identity of certificate applicants before the Certificate Authority issues a certificate.

ACertificate authority

The Certificate Authority (CA) issues and signs digital certificates but delegates identity verification to the RA rather than performing it directly.

BValidation authority

A Validation Authority (VA) is responsible for checking the revocation status of certificates, such as through OCSP, not verifying applicants.

CRegistration authorityCorrect

The Registration Authority (RA) acts as an intermediary in PKI by collecting and verifying applicant identity information before forwarding the validated request to the Certificate Authority. The RA offloads identity verification duties from the CA, ensuring that only properly vetted entities receive digital certificates.

DVerification authority

'Verification authority' is not a standard PKI component defined in PKI architecture.

Concept tested: PKI Registration Authority role and responsibilities

Source: https://learn.microsoft.com/en-us/windows-server/identity/ad-cs/active-directory-certificate-services-overview

Topics

#PKI#registration authority#certificate authority#public key infrastructure

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