Câu 39: H12-711-V4-0: HCIA-Security V4.0

Which of the following statements are correct about the PKI system structure? (Choose all that apply.)

1. A. CAs are classified into the root CA and subordinate CAs according to the hierarchy of CAs. — đáp án hiện tại
2. B. A CA is a trusted entity that issues and manages digital certificates. — đáp án hiện tại
3. C. A PKI system consists of three parts: end entity, certificate authority, and certificate registration authority. — đáp án hiện tại
4. D. A PKI entity is an end user of PKI products or services. It can be an individual, an organization, a device (such as a router or firewall), or a process running on a computer. — đáp án hiện tại