Industrial control systems quiz

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Industrial control systems quiz

Question 1

  1. Most industrial network protocols forego any feature or function that is not absolutely necessary for the sake of efficiency, including authentication and encryption, both of which requitre additional overhead.





5 points

Question 2

  1. Modbus, the oldest and perhaps most widely deployed ICS protocol uses the following commands (choose all that apply):
    1. Control an I/O interface
    2. Read from an I/O interface
    3. Write to an I/O interface
    4. Read the value of a register
    5. Write a value to a register

5 points

Question 3

  1. Choose security concerns related to the Modbus protocol:
    1. Programmability
    2. Lack of encryption
    3. Explicitly defined trust relationships
    4. Lack of authentication
    5. Lack of broadcast supression

5 points

Question 4

  1. The ICCP/TASE.2 protocol was designed for this kind of communication:
    1. serial command requests
    2. communication between control system devices
    3. bi-directional WAN communications
    4. communication between a master control station and an RTU

5 points

Question 5

  1. Use of business network protocols to transport fieldbus protocols improves security within Industrial Control Systems.





5 points

Question 6

  1. PLease match up the following protocols with their characteristics:

DNP3

OLE for Process control

Ethernet/IP

Profibus

SERCOS III
  1. A. Unsolicited responses allow remote alarm generation
    B. Primarily a SCADA protocol
    C. Fieldbus specialized for digital motion control
    D. Supports UDP and Multicast traffic
    E. Stuxnet exploited this protocol

5 points

Question 7

  1. Choose common characteristics of Industrial Network Protocols (choose all that apply):
    1. Real-time communications
    2. Originally designed to operate over Ethernet networks
    3. Designed to communicate serially over RS-232, RS-485, etc.
    4. Each provides different methods of verifying data integrity and/or security

5 points

Question 8

  1. Choose the following systems used within a typical smart grid infrastructure (choose all that apply):
    1. Firewall systems
    2. Distribution Systems
    3. Bulk generation systems
    4. Filtering systems
    5. Billing systems

5 points

Question 9

  1. The smart grid represents an easily accessible network that contains many vectors to many possible targets and therefore is a security concern.





5 points

Question 10

  1. In 3-4 sentences discuss the most common charicteristics of Industrial Control System networks and whether they are more or less secure than business networks.

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