Describe PKI components and their relevance to secure architectures.

• A. Certification Authority, Registration Authority, Certificate Revocation List, and Public/Private keys; PKI supports trust, authentication, and secure communications.
• B. Firewall, intrusion detection system, and load balancer; PKI supports network segmentation.
• C. Password vaults and hardware tokens; PKI replaces the need for passwords.
• D. Cloud key management service; PKI eliminates the need for certificates.

Answer: (C)