Câu 84: SY0-501: CompTIA Security+

An organization has several production-critical SCADA supervisory systems that cannot follow the normal 30- day patching policy. Which of the following BEST maximizes the protection of these systems from malicious software?

1. A. Configure a firewall with deep packet inspection that restricts traffic to the systems.
2. B. Configure a separate zone for the systems and restrict access to known ports.
3. C. Configure the systems to ensure only necessary applications are able to run. — đáp án hiện tại
4. D. Configure the host firewall to ensure only the necessary applications have listening ports