Which statement describes the PAP authentication protocol?
- It sends encrypted passwords by default.
- It uses a two-way handshake to establish identity.
- It protects against repeated trial-and-error attacks.
- It requires the same username to be configured on every router.
Explanation: PAP uses a two-way handshake, whereas CHAP uses a three-way handshake. The other three possible answers are features of CHAP.
Exam with this question: EWAN v4 Chapter 2 Check Your Understanding: PPP
Exam with this question: CCNA 4 Exploration v4.0 Chapter 2 Quiz
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