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SY0-301 · Question #481

Public key certificates and keys that are compromised or were issued fraudulently are listed on which of the following?

The correct answer is D. CRL. A Certificate Revocation List (CRL) is a published list of digital certificates that have been revoked before their expiration date due to compromise or fraudulent issuance. Any relying party can check the CRL to determine if a certificate should be trusted.

Security architecture

Question

Public key certificates and keys that are compromised or were issued fraudulently are listed on which of the following?

Options

  • APKI
  • BACL
  • CCA
  • DCRL

How the community answered

(39 responses)
  • A
    5% (2)
  • B
    3% (1)
  • C
    3% (1)
  • D
    90% (35)

Why each option

A Certificate Revocation List (CRL) is a published list of digital certificates that have been revoked before their expiration date due to compromise or fraudulent issuance. Any relying party can check the CRL to determine if a certificate should be trusted.

APKI

PKI (Public Key Infrastructure) is the entire framework of policies, hardware, software, and procedures used to manage digital certificates - it is the system, not a specific revocation list.

BACL

An ACL (Access Control List) is used to control permissions to resources on a network or system and has no role in certificate revocation or PKI.

CCA

A CA (Certificate Authority) issues and signs certificates and publishes the CRL, but the CA itself is not the list - the CRL is the specific artifact that contains revoked certificate entries.

DCRLCorrect

The CRL (Certificate Revocation List) is a data structure signed by a Certificate Authority that explicitly lists certificates that have been revoked. When a certificate is compromised or was issued fraudulently, the CA adds its serial number to the CRL so that clients can check validity before trusting it. This is a fundamental mechanism of PKI trust management.

Concept tested: Certificate Revocation List (CRL) purpose

Source: https://learn.microsoft.com/en-us/windows-server/identity/ad-cs/manage-certificate-revocation

Topics

#CRL#PKI#certificate revocation#digital certificates

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