SANS ICS 410 Questions and Correct
Answers/ Latest Update / Already Graded
OT
Ans: Operations Technology
ICS
Ans: Industrial Control Systems
Control System
Ans: * A device, or set of devices, that manages, commands,
directs, or regulates the behavior of other devices or systems
* A device that can influence the "real world"
* A system that bridges cyber-to-physical
Example: Thermostat in our homes
Controller
Ans: Heart of a control system. The controller has the logic and
makes the decision. Interacts with a Process through Actuators
and Sensors.
Control Loop
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Ans: Control loops manage a Process
* Controller takes input from Sensors
* Controller sends output to Actuators
* Actuators change the Process
* Sensors measure the Process
Process
Ans: Examples of processes:
* Manufacturing something
* Maintaining the water through Hoover Dam
Actuator
Ans: When the Controller determines that it needs to make
some kind of change to a Process, it does so through an
Actuator. Actuators change the real world.
Sensor
Ans: The eyes and the ears of the Controller. Will measure
different measurements from the Process. Sensors will feed
those measurements into the Controller.
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