Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) — Question 546

Which feature filters the IPv6 traffic on Layer 2 untrusted ports?

Answer options

• A. IPv6 Source Guard
• B. Binding Table Recovery
• C. IPv6 RA Guard
• D. DHCPv6 Guard

Correct answer: A

Explanation

IPv6 Source Guard is designed to prevent unauthorized IPv6 traffic from being sent or received on untrusted ports by filtering it. The other options, while related to IPv6 security, serve different purposes: Binding Table Recovery deals with maintaining the binding table, IPv6 RA Guard prevents rogue Router Advertisements, and DHCPv6 Guard protects against DHCPv6 attacks.