JN0-351 Exam QuestionsBrowse all questions from this exam

JN0-351 Exam - Question 30


You are concerned about spoofed MAC addresses on your LAN.

Which two Layer 2 security features should you enable to minimize this concern? (Choose two.)

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Correct Answer: AB

To minimize the concern of spoofed MAC addresses on your LAN, you should enable dynamic ARP inspection and IP source guard. Dynamic ARP inspection prevents ARP spoofing by verifying ARP packets against the DHCP snooping binding table, ensuring that only valid ARP requests and responses are allowed. IP source guard provides protection against IP spoofing by ensuring that only IP-MAC address bindings from trustworthy sources are allowed on the network. Both features work together to provide robust Layer 2 security to guard against MAC address spoofing.

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sandaruwann654Options: AC
May 23, 2024

A,C are correct.