nerdexam
(ISC)2

SSCP · Question #627

In a Public Key Infrastructure, how are public keys published?

The correct answer is B. Through digital certificates. In PKI, public keys are distributed through digital certificates. A digital certificate is an electronic document issued by a Certificate Authority (CA) that binds an entity's identity to their public key. The CA digitally signs the certificate, providing authenticity and…

Submitted by cyberguy42· Apr 18, 2026Cryptography

Question

In a Public Key Infrastructure, how are public keys published?

Options

  • AThey are sent via e-mail.
  • BThrough digital certificates.
  • CThey are sent by owners.
  • DThey are not published.

How the community answered

(35 responses)
  • A
    6% (2)
  • B
    91% (32)
  • C
    3% (1)

Explanation

In PKI, public keys are distributed through digital certificates. A digital certificate is an electronic document issued by a Certificate Authority (CA) that binds an entity's identity to their public key. The CA digitally signs the certificate, providing authenticity and trust. Anyone who needs someone's public key retrieves it from the certificate, which can be stored in a public directory or transmitted during a session. This ensures the public key is trustworthy and genuinely belongs to the claimed entity.

Topics

#PKI#Digital Certificates#Key Distribution

Community Discussion

No community discussion yet for this question.

Full SSCP Practice