SANS 410 Exam Questions And Answers (Verified And Updated)
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SANS 410
SANS 410 Exam Questions And Answers
(Verified And Updated)
Industrial Control System (ICS) - answerA device, or set of devices, that manages,
commands, directs, or regulates the behavior of other devices or systems.
ICS technology drivers - answerReliability, efficiency, safety, and ease of use...
SANS 410 Exam Questions And Answers (Verified And Updated) Industrial Control System (ICS) - answer✔✔A device, or set of devices, that manages, commands, directs, or regulates the behavior of other devices or systems. ICS technology drivers - answer✔✔Reliability, efficiency, safety, and ease of use. Discrete Process - answer✔✔A process where a specified quantity of material moves as a unit between workstations and each unit maintains it's unique identity. Batch Process - answer✔✔A process that requires the mixing of raw materials, usually in a heated vessel. Continuous Process - answer✔✔A physical system that is represented through variables that are smooth an uninterrupted in time. Hybrid Process - answer✔✔reactive syst ems that intermix discrete and continuous processes Process Engineer - answer✔✔Designs the systems and processes used in the control environment. Field Technician - answer✔✔Maintains and repairs field devices Programmer - answer✔✔Implements the individual steps of the process code and deploys the code to the controllers. Operator - answer✔✔Works in the operations center remotely managing and controlling the process Owner/Operators - answer✔✔Purchases and uses the system. responsible for safe operation and meeting regulations. Vendors - answer✔✔Manufacture equipment and software Integrator - answer✔✔Design, configure, test, train, and refresh systems. Government - answer✔✔Implement guidance and regulation programmable logic controller (PLC) - answer✔✔Computer based, solid -state devices that control industrial equipment and processes. Remote terminal unit (RTU) - answer✔✔Is installed to report local system information and otherwise communicate with the upstream supervisory system. Connection typically made usin g RS-232 or RS -485 Intelligent Electronic Device (IED) - answer✔✔Used in the power industry primarily, and have limited function, but contain their own control logic and are usually micro -controller based. Digital Protective Relay (DPR) - answer✔✔Contains a micro -controller with the specific purpose of measuring voltages and currents to determining whether a fault in the system exists. Phasor Measurement Unit (PMU) - answer✔✔Measure voltages and currents at principle intersecting locations on a power grid a nd can output accurately timestamped voltage and current phasors. Communication Gateway - answer✔✔Facilitates data acquitting, storage, transmission and protocol conversion though the industrial data network. Widely used to apply timestamp data to logs for locally connected RTUs Communication Modules - answer✔✔Connect FEP into networks of intelligent electronic devices (IED) such as modbus or PROFIBUS. Real Time Operating System (RTOS) - answer✔✔Runs on an embedded device and is specialized in running progr ams with specific scheduling paradigm. Microkernels - answer✔✔Responsible for Inter -process Communication (IPC), virtual memory, and scheduling. Ladder Diagram (Ladder logic) - answer✔✔Relay logic displays and drawings and was written to be understood by t echnicians. Operates on rules rather than producers or functions. Each pass over is called a scan, and it occurs many times per second. Function Block Diagram (FBD) - answer✔✔Uses a series of blocks with a purpose and inputs and outputs strung together. The order by which the blocks executes depends on the Vendor. Structured Text (ST) - answer✔✔A Series of instructions to include statements implemented by a vendors use of an editor, such as programming languages like C. Instruction List(IL) - answer✔✔Similar to assembly language, this is a very low level language that executes quickly and takes up less space. Sequential Function Chart (SFC) - answer✔✔Steps from top to bottom of instructions, executing commands and transit ions wait for conditions to be true to move forward. Cyber Impact (PLC) - answer✔✔Can include disruption to communications to the device, changing configuration for accessing the device, modifying applications, and manipulating firmware. Control Loop Theor y - answer✔✔Used for calculating and controlling an environment or process based on feedback. PID Controller Theory - answer✔✔Used to determine how to respond to the error. Proportional Term - answer✔✔Part of PID Controller Theory, where a response proport ional to the current error value is applied. Integral Term - answer✔✔Part of PID Controller Theory, where duration of an error and not just how far off it is, is used to determine response. Derivative Term - answer✔✔Part of PID Controller Theory, where slo pe of Error over time multiplied by the derivative gain is used to slow the rate of change of output to reduce overshoot. Fuzzy Logic - answer✔✔Taking logic statements and distilling them down in order to control machinery. Instrumented Devices - answer✔✔Devices that are ultimately responsible for monitoring, measuring, or controlling the bits and pieces of an industrial system or process Digital (Discrete) I/O - answer✔✔and input or output where the specified value is communicated as simple on or off signa ls. Analog I/O - answer✔✔Input or output where the specified value is communicated by varying the voltage or current of a signal. Time Synchronization - answer✔✔based on an authoritative time source, and used to timestamp events and data logged by an RTU Global Positioning System (GPS) - answer✔✔Widely recognized as one of the most accurate and reliable time references available in remote areas. Human Machine Interface (HMI) - answer✔✔Graphic User Interface for the control of the process usually organized a s a model diagram of the process. Responsible for displaying important information to the operator. May facilitate manual control of the process. Historian - answer✔✔Historical data warehouse for ICS. Usually based on relational database management such as Oracle or SQL Server.
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