Every system that uses public keys needs a way to decide which keys to believe. There are two main trust models, and the exam asks you to tell them apart and to know where each is used.
Free account
Keep reading for free
Create a free StudyToCert account to read the rest of this lesson: 5 more sections, 4 key terms, a real-world example, an exam tip and self-check questions. Every lesson, lab and practice test is free with an account.