N10-009 · Question #103
N10-009 Question #103: Real Exam Question with Answer & Explanation
The correct answer is D: Enable dynamic ARP inspection.. Dynamic ARP inspection (DAI) is a security feature that can help to prevent VLAN hopping. DAI works by verifying that ARP responses are coming from the devices that they claim to be from. If an attacker sends an ARP response that is not from a legitimate device, DAI will drop the
Question
A network engineer is concerned about VLAN hopping happening on the network. Which of the following should the engineer do to address this concern?
Options
- AConfigure private VLANs.
- BChange the default VLAN.
- CImplement ACLs on the VLAN.
- DEnable dynamic ARP inspection.
Explanation
Dynamic ARP inspection (DAI) is a security feature that can help to prevent VLAN hopping. DAI works by verifying that ARP responses are coming from the devices that they claim to be from. If an attacker sends an ARP response that is not from a legitimate device, DAI will drop the
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