The attack detailed in the correct answer involves manipulating device settings to send traffic across different network segments that should be isolated, characterizing a VLAN hopping attack. This type of attack exploits misconfigured network switches to access multiple segments or send frames where they should not normally reach. The other options describe different types of attacks: one involves overwhelming a network with traffic (DoS), another involves falsifying address information in network requests (ARP poisoning), and the last involves manipulating DNS queries (DNS spoofing).
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What is VLAN hopping and how does it work?
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What are some common network device misconfigurations that lead to vulnerabilities?
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What measures can be taken to prevent VLAN hopping attacks?