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Certified Ethical Hacker (CEH) Practice Question

While reviewing the organization's wireless security, you note that employees often connect from hotels and cafés where attackers could deploy evil-twin access points that mimic the corporate SSID. Which single countermeasure will most effectively prevent company laptops from automatically joining a rogue AP, even when they are off-site and the user takes no extra action?

  • Enforce MAC address filtering on the wireless controller for all approved laptops

  • Deploy WPA2-Enterprise with EAP-TLS and require clients to validate the RADIUS server's certificate

  • Switch the WLAN to 802.11n Greenfield mode to prevent legacy beacon compatibility

  • Disable SSID broadcast so attackers cannot discover the network name

Certified Ethical Hacker (CEH)
Wireless Network Hacking
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