EC-CouncilICS/SCADA Cybersecurity
Domain 2Objective 2
Internet RFCs and STDs ICSSCADA Practice Questions (Page 7)
Part of the TCP/IP and ICS/SCADA Protocols domain, which makes up ~13% of our current practice bank. EC-Council does not publish an official question count, but from its 120-minute exam (~50–80 total, ~7–10 in this domain), expect 1–2 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)
38questions here
8free pages
5concepts
Questions 31–35
- 31
An ICS engineer is troubleshooting a SCADA system that uses TCP for reliable communication. Which RFC should the engineer consult to understand the TCP header fields and connection establishment?
Select an answer first - 32
A network engineer is updating the firmware of a network switch that supports SNMP. The engineer wants to ensure the SNMP implementation is compliant with the latest standard. Which RFC should the engineer check?
Select an answer first - 33
Which RFC defines the User Datagram Protocol (UDP), a connectionless transport protocol commonly used in ICS/SCADA communications?
Select an answer first - 34
An engineer is troubleshooting a slow data transfer between two control system servers. The servers are connected over a WAN with high latency. The engineer suspects that the TCP window size is limiting throughput. Which RFC should the engineer consult to understand TCP window scaling?
Select an answer first - 35
Which organization is responsible for publishing and managing Internet RFCs?
Select an answer first
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