Which of the following is a common compromise vector for PERA Level 3 systems due to IT/OT integration?

Malware spreading from the corporate IT network to a Level 3 historian server through a misconfigured firewall rule

An attacker physically breaking into the control room and stealing a laptop

A sensor malfunction causing incorrect readings

A field technician accidentally damaging a cable

A plant engineer needs to provide a temporary local display for a packaging line operator to monitor and acknowledge alarms from a PLC. The display must not require any changes to the control network routing or firewall rules. Which component should be deployed?

A new HMI workstation on the same Level 2 control network segment as the PLC

A historian server on Level 3 that the operator can access via a web browser

A remote access VPN concentrator on the IT network

A manufacturing operations management (MOM) system with a dashboard

A plant operator reports that the HMI is showing 'Communication Fault' for a specific PLC. The PLC is powered on and its status LED is solid green. What is the most likely cause?

The network cable between the HMI and PLC is damaged or disconnected

The historian has stopped collecting data

Which of the following is an example of a PERA Level 2 supervisory control system?

A programmable logic controller (PLC) executing ladder logic

An enterprise resource planning (ERP) server

A distributed control system (DCS) operator station

GIAC Global Industrial Cyber Security Professional

Domain 1Objective 4

PERA Level 2 & 3 Technology Overview and Compromise GICSP Practice Questions (Page 3)

Part of the ICS Fundamentals and Architecture domain, which makes up ~40% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 180-minute exam (~70–120 total, ~28–48 in this domain), expect 7–12 from this objective — we provide 46 practice questions to prepare you well beyond it. (estimate)

46questions here

10free pages

7concepts

Questions 11–15

11foundation · easy
Which of the following is a common compromise vector for PERA Level 3 systems due to IT/OT integration?
Select an answer first
12foundation · easy
Which PERA level is primarily responsible for site-wide production scheduling, maintenance management, and historical data collection?
Select an answer first
13application · medium
A plant engineer needs to provide a temporary local display for a packaging line operator to monitor and acknowledge alarms from a PLC. The display must not require any changes to the control network routing or firewall rules. Which component should be deployed?
Select an answer first
14application · medium
A plant operator reports that the HMI is showing 'Communication Fault' for a specific PLC. The PLC is powered on and its status LED is solid green. What is the most likely cause?
Select an answer first
15foundation · easy
Which of the following is an example of a PERA Level 2 supervisory control system?
Select an answer first

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