最新的ISA ISA-IEC-62443免費考試真題

問題1

What is one challenge associated with firewalls?

A. Deciding how they should be configured

B. That they can only filter HTTP traffic

C. Difficulty of installation

D. Need for constant updates

正確答案: A

說明：（僅 Fast2test 成員可見）

問題2

Under User Access Control (SP Element 6), which of the following is included in USER 1 - Identification and Authentication?

A. Incident handling and response

B. Backup restoration

C. Mutual authentication

D. Password protection

正確答案: D

說明：（僅 Fast2test 成員可見）

問題3

Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)

A. Level 0 can only interact with Level 1 through the firewall.

B. Email is prevented, thereby mitigating the risk of phishing attempts.

C. Internet access through the firewall is allowed.

D. Level 4 systems must use the DMZ to communicate with Level 3 and below.

正確答案: C

說明：（僅 Fast2test 成員可見）

問題4

In a defense-in-depth strategy, what is the purpose of role-based access control?
Available Choices (select all choices that are correct)

A. Ensures that users can access systems from remote locations

B. Ensures that users can access only the functions they need for their job

C. Ensures that users correctly manage their username and password

D. Ensures that users can access only certain devices on the network

正確答案: B

說明：（僅 Fast2test 成員可見）

問題5

What does Foundational Requirement 6 (FR 6) - Timely Response to Events (TRE) require?

A. Protect against unauthorized operation

B. Ensure adequate responses to network resource requests

C. Notify the proper authority about security violations

D. Control access to information

正確答案: C

說明：（僅 Fast2test 成員可見）

問題6

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

正確答案: A

說明：（僅 Fast2test 成員可見）

問題7

What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

A. Control

B. Protocol

C. User

D. Transport

正確答案: D

說明：（僅 Fast2test 成員可見）

問題8

After receiving an approved patch from the JACS vendor, what is BEST practice for the asset owner to follow?

A. If a low priority, there is no need to apply the patch.

B. If a high priority, apply the patch at the first unscheduled outage.

C. If no problems are experienced with the current IACS, it is not necessary to apply the patch.

D. If a medium priority, schedule the installation within three months after receipt.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題9

Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)

A. Routers are not used in IACS networks.

B. IACS cybersecurity must address safety issues.

C. The IT security priority is availability.

D. The IACS security priority is integrity.

正確答案: B,D

說明：（僅 Fast2test 成員可見）

問題10

Which standard is applied during the Assess phase for risk assessment?

A. ISA/IEC 62443-2-1

B. ISA/IEC 62443-3-1

C. ISA/IEC 62443-3-3

D. ISA/IEC 62443-3-2

正確答案: D

說明：（僅 Fast2test 成員可見）

問題11

What are the two elements of the risk analysis category of an IACS?

A. Risk evaluation and risk identification

B. Business recovery and risk elimination or mitigation

C. Business rationale and risk identification and classification

D. Business rationale and risk reduction and avoidance

正確答案: C

說明：（僅 Fast2test 成員可見）

問題12

Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)

A. IACS using equipment designed for measurement and control

B. IACS evolving into a number of closed proprietary systems

C. IACS developing into a network of air-gapped systems

D. IACS becoming integrated with business and enterprise systems

正確答案: D

說明：（僅 Fast2test 成員可見）

問題13

Which Security Level (SL) would be MOST appropriate for a system that requires protection against attackers with high motivation and extended resources using sophisticated means?

A. SL2

B. SL3

C. SL1

D. SL4

正確答案: D

說明：（僅 Fast2test 成員可見）

最新的ISA/IEC 62443 Cybersecurity Fundamentals Specialist - ISA-IEC-62443免費考試真題

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