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ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

Your organization has deployed several hundred smart HVAC controllers on a dedicated IoT VLAN. The security team must be alerted if any controller suddenly begins sending data to unfamiliar Internet hosts or using non-standard protocols, but they have limited budget and want to reuse existing security tooling. Which approach BEST enables continuous monitoring of the controllers' network behavior?

  • Apply switch port security to limit each access port to a single permitted MAC address.

  • Enable flow monitoring (e.g., NetFlow/IPFIX) on the IoT VLAN and have the SIEM alert on deviations from the established traffic baseline.

  • Schedule nightly credentialed vulnerability scans against the controllers and review the reports each morning.

  • Require all HVAC controllers to authenticate to the Wi-Fi network using WPA3-Enterprise.

ISC2 Systems Security Certified Practitioner (SSCP)
Network and Communication Security
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