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Certified Ethical Hacker (CEH) Practice Question

During an internal assessment you transmit thousands of DHCPDISCOVER messages, each with a unique spoofed MAC address, until the corporate DHCP server's address pool is completely exhausted. You then launch your own unauthorized DHCP service in 'authoritative' mode that responds first and assigns new hosts an IP configuration whose default gateway points to your laptop, allowing you to capture their traffic. Which DHCP-based attack technique are you executing?

  • A broadcast smurf-style DHCP flood intended only to crash the server.

  • Abusing DHCP Option 82 to spoof relay information and redirect traffic.

  • A DHCP starvation attack combined with a rogue DHCP server takeover to perform a man-in-the-middle.

  • DHCP relay agent spoofing to circumvent VLAN access-control lists.

Certified Ethical Hacker (CEH)
Network and Perimeter Hacking
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