QUESTION 37
Which of the following would be MOST appropriate to secure an existing SCADA system by preventing connections from unauthorized networks?
A. Implement a HIDS to protect the SCADA system
B. Implement a Layer 2 switch to access the SCADA system
C. Implement a firewall to protect the SCADA system
D. Implement a NIDS to protect the SCADA system
Correct Answer: C Explanation
QUESTION 38
The common method of breaking larger network address space into smaller networks is known as:
A. subnetting.
B. phishing.

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