ISA Cybersecurity Fundamentals Specialist Cybersecurity Fundamentals Specialist Dumps in PDF

Free ISA Cybersecurity Fundamentals Specialist Real Questions (page: 3)

Why is OPC Classic considered firewall unfriendly?

  1. It dynamically assigns several ports.
  2. It allows use of only port 80.
  3. It works with control devices from different manufacturers.
  4. It is an obsolete communication standard.

Answer(s): A



Which layer specifies the rules for Modbus Application Protocol (MBAP)?

  1. Data link layer
  2. Session layer
  3. Presentation layer
  4. Application layer

Answer(s): D



Which is a role of the application layer?

  1. Includes protocols specific to network applications such as email, file transfer, and reading data registers in a PLC
  2. Includes user applications specific to network applications such as email, file transfer, and reading data registers in a PLC
  3. Provides the mechanism for opening, closing, and managing a session between end-user application processes
  4. Delivers and formats information, possibly with encryption and security

Answer(s): B



Which factor drives the selection of countermeasures?

  1. Foundational requirements
  2. Output from a risk assessment
  3. Security levels
  4. System design

Answer(s): B



Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer Protocol (FTP)?

  1. Application layer
  2. Data link layer
  3. Session layer
  4. Transport layer

Answer(s): A



Which of the following is a trend that has caused a significant percentage of security vulnerabilities?

  1. IACS developing into a network of air-gapped systems
  2. IACS evolving into a number of closed proprietary systems
  3. IACS using equipment designed for measurement and control
  4. IACS becoming integrated with business and enterprise systems

Answer(s): D



Why is patch management more difficult for IACS than for business systems?

  1. Overtime pay is required for technicians.
  2. Many more approvals are required.
  3. Patching a live automation system can create safety risks.
  4. Business systems automatically update.

Answer(s): C



Which is a PRIMARY reason why network security is important in IACS environments?

  1. PLCs are inherently unreliable.
  2. PLCs are programmed using ladder logic.
  3. PLCs use serial or Ethernet communications methods.
  4. PLCs under cyber attack can have costly and dangerous impacts.

Answer(s): D



Share your comments for ISA Cybersecurity Fundamentals Specialist exam with other users:

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Nick W
9/29/2023 7:32:00 AM

q10: c and f are also true. q11: this is outdated. you no longer need ownership on a pipe to operate it

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Naveed
8/28/2023 2:48:00 AM

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cert
9/24/2023 4:53:00 PM

admin guide (windows) respond to malicious causality chains. when the cortex xdr agent identifies a remote network connection that attempts to perform malicious activity—such as encrypting endpoint files—the agent can automatically block the ip address to close all existing communication and block new connections from this ip address to the endpoint. when cortex xdrblocks an ip address per endpoint, that address remains blocked throughout all agent profiles and policies, including any host-firewall policy rules. you can view the list of all blocked ip addresses per endpoint from the action center, as well as unblock them to re-enable communication as appropriate. this module is supported with cortex xdr agent 7.3.0 and later. select the action mode to take when the cortex xdr agent detects remote malicious causality chains: enabled (default)—terminate connection and block ip address of the remote connection. disabled—do not block remote ip addresses. to allow specific and known s

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8/29/2023 8:46:00 PM

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Miguel
10/16/2023 11:18:00 AM

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8/1/2023 8:51:00 AM

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9/11/2023 12:22:00 PM

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6/14/2023 12:04:00 PM

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Muhammad Rawish Siddiqui
12/5/2023 12:38:00 PM

question # 142: data governance is not one of the deliverables in the document and content management context diagram.

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al
6/7/2023 10:25:00 AM

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