ISA/IEC 62443 Cybersecurity Fundamentals Specialist - ISA-IEC-62443 Exam Practice Test

Question 1

What is a feature of an asymmetric key?
Available Choices (select all choices that are correct)

A. Shares the same key OD.

B. Uses a continuous stream

C. Uses different keys

D. Has lower network overhead

Correct Answer: C

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Question 2

What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)

A. End-User, Integrator, Vendor, and Regulator

B. Assessment. Mitigation. Documentation, and Maintenance

C. General. Policies and Procedures. System, and Component

D. People. Processes. Technology, and Training

Correct Answer: C

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Question 3

Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)

A. Datagram Transport Layer Security (DTLS)

B. Secure Telnet

C. Secure Sockets Layer

D. Microsoft Point-to-Point Encryption

Correct Answer: A,C

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Question 4

Which of the following is NOT a strategy for deploying a WAN?

A. Enterprise WANs

B. Local area networks

C. Carrier-managed WANs

D. Internet

Correct Answer: B

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Question 5

Which of the following is NOT listed under Organizational Security Measures (SP Element 1)?

A. Supply chain security

B. Malware protection

C. Security awareness training

D. Background checks

Correct Answer: B

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Question 6

What is recommended to use between the plant floor and the rest of the company networks?

A. Firewall

B. Router

C. Hub

D. Switch

Correct Answer: A

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Question 7

Why is it important for the asset owner to incorporate the IACS into its organization and security program during the Operation and Maintenance phase?

A. To embed the IACS within organizational processes and people

B. To ensure that the system can be decommissioned immediately if needed

C. To guarantee that the maintenance service provider has full control over the system

D. To allow the product supplier to update the system remotely without oversight

Correct Answer: A

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Question 8

Why is segmentation from non-IACS zones important in Network & Communication Security (SP Element
3)?

A. To manage user identity persistence effectively

B. To prevent attacks originating outside the IACS

C. To classify data according to sensitivity levels

D. To ensure backup verification processes run smoothly

Correct Answer: B

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Question 9

At Layer 4 of the Open Systems Interconnection (OSI) model, what identifies the application that will handle a packet inside a host?
Available Choices (select all choices that are correct)

A. ATCP/UDP port number

B. A TCP/UDP host ID

C. ATCP/UDP application ID

D. ATCP/UDP registry number

Correct Answer: A

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Question 10

What does the System under Consideration (SuC) include in the context of ISA/IEC 62443 risk assessment?

A. Only physical assets within an existing plant

B. Only business zone assets

C. A defined collection of IACS and related assets

D. External vendor devices and business zone assets only

Correct Answer: C

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist - ISA-IEC-62443 Exam Practice Test

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