CompTIA Security+ Question K-10

Which of the following components MUST be trusted by all parties in PKI?

A. Key escrow
B. CA
C. Private key
D. Recovery key

Answer: B

Explanation:
A certificate authority (CA) is an organization that is responsible for issuing, revoking, and distributing certificates. In a simple trust model all parties must trust the CA. In a more complicated trust model all parties must trust the Root CA.