Answers to Review Questions
1. B. PKI (Public Key Infrastructure) is a key-asymmetric system utilizing two keys.
2. C. A certificate authority (CA) is an organization that is responsible for issuing, revoking, and distributing certificates.
3. D. A registration authority (RA) can distribute keys, accept registrations for the CA, and validate identities. It cannot give recommendations.
4. D. The primary difference between an RA and LRA is that the LRA can be used to identify or establish the identity of an individual.
5. A. The most popular certificate used is version 3 of X.509.
6. B. The process of requiring interoperability is called cross certification.
7. A. A Certificate Practice Statement (CPS) is a detailed statement the CA uses to issue ...
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