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ISA/IEC 62443 - Cybersecurity Fundamentals Specialist > Industrial Protocols > Flashcards

Industrial Protocols Flashcards

1
Q

Which layer are used on Modbus Serial?

A

Layer 1 and 2
* Layer 1: RS-232/RS485
* Layer 2: Serial Line Client-Server

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2
Q

Whick layer are used on Modbus/TCP?

A

Layer 4, 3, 2 and 1
* TCP: Modbus messaging
* IP
* Ethernet
* Physical

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3
Q

Which ports are used by ModbusTCP?

A

TCP Port 502

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4
Q

PROFIBUS

A

Is a standard for field bus communication in automation technology. (developed by Siemens)

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5
Q

PROFIBUS

A

Process Field Bus
Is a standard for field bus communication in automation technology. (developed by Siemens)

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6
Q

CIP

A

Common Industrial Protocol
Is an industrial protocol fro industrial automation applications (formerly Control & Information Protocol)

Developed by Rockwell Automation
Supported by Open DeviceNet Vendors Association (ODVA)

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7
Q

EthernetIP

A

Uses two communications mechanisms and two ports

Impicit Messaging
* Port 2222
* Producer/Subscriber
* Typically I/O messages
* Uses UDP Multicast and Unicast for I/O transfer

Explicit Messaging
* Port 44818
* Client Server - HMI to PLC
* Uses TCP Unicast for administration and data transfer

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8
Q

OPC stands for:

A

Open Platform Communications

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9
Q

Protocol which specifies the comunication of real-time plant data between control devices from different manufacturers

A

MODUBS

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10
Q

A series of standards and specifications for industrial telecomunication (Originally OLE for Process Control)

A

OPC

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11
Q

A series of standards and specifications for industrial telecomunication (Originally OLE for Process Control)

A

OPC

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12
Q

An application layer protocol that is transfered inside a TCP/IP Packet

A

Ethernet/IP

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13
Q

An Industrial procotol commonly used for industrial automation applications (Common Industrial Protocol)

A

CIP

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14
Q

A standard for field bus communication in automation technology

A

PROFIBUS

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15
Q

Which protocol is used for remote I/O communications?

A

MODBUS

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16
Q

Which communication standar was developed by an industrial automation industry task force and was originally refferred to as OLE (Object Linking and Embedding) for process Control?

A

OPC

17
Q

True of False

Ethernet/IP uses two communications mechanisms and two ports

A

True

18
Q

Which protocl uses UDP and TCP for data transfer and is commonly used for control applications?

A

Ethernet/IP

19
Q

True or False

OPC Classic is difficult to firewall due to required open ports

A

True

ISA/IEC 62443 - Cybersecurity Fundamentals Specialist (11 decks)

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