Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) — Question 104

Which type of attack occurs when an attacker is successful in eavesdropping on a conversation between two IP phones?

Answer options

• A. known-plaintext
• B. replay
• C. dictionary
• D. man-in-the-middle

Correct answer: D

Explanation

The correct answer is D, man-in-the-middle, as it refers to an attacker who secretly relays and possibly alters the communication between two parties. The other options describe different types of attacks: known-plaintext focuses on deciphering encrypted messages, replay involves reusing valid transmission data, and dictionary attacks target weak passwords.