CCNA: Cisco Certified Network Associate — Question 694

Which security method is used to prevent man-in-the-middle attacks?

Answer options

• A. authentication
• B. anti-replay
• C. authorization
• D. accounting

Correct answer: A

Explanation

Authentication is essential for confirming the identity of users or devices, which helps prevent man-in-the-middle attacks by ensuring that communications are only established with verified parties. The other options, while important for overall security, do not directly address the issue of verifying identities to thwart such attacks.