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Which of the following issues and maintains digital certificates?

A: Registration authority
B: Certification authority
C: Public key infrastructure
D: Client nodes

User Halaster
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Final answer:

The Certification Authority (CA) is the correct option that issues and maintains digital certificates.

Step-by-step explanation:

The correct option that issues and maintains digital certificates is the Certification Authority (CA).

A Certification Authority is responsible for issuing and revoking digital certificates, which are used to authenticate the identity of individuals, websites, and organizations in a secure manner. It acts as a trusted third party that verifies the identity of the certificate holder and signs the certificate with its private key to ensure its authenticity.

Example: Let's say a person wants to secure their website with an SSL certificate. They would submit a certificate signing request (CSR) to a Certification Authority along with proof of their identity. The CA would then verify the identity and issue a digitally signed certificate that can be used to secure the website.

User Sachelle
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