Crucial Exams

Certified Ethical Hacker (CEH) Practice Question

During a penetration test, you discover an 802.11 access point advertising WPA2-PSK with CCMP on channel 6, and airodump-ng reports WPS is "Locked". Several clients are currently associated. To obtain the pre-shared key quickly, which next action is most likely to succeed?

  • Use Reaver to brute-force the access point's eight-digit WPS PIN and obtain the passphrase.

  • Transmit deauthentication frames to a client, capture the ensuing four-way handshake, and run an offline dictionary or GPU-accelerated crack against it.

  • Inject spoofed ARP requests to harvest enough IVs for an FMS attack against the network.

  • Launch a fragmentation (chop-chop) attack to recover keystream bytes and reconstruct the pre-shared key.

Certified Ethical Hacker (CEH)
Wireless Network Hacking
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