CS0-003 Question #426: Real Exam Question with Answer & Explanation

The correct answer is A: Legacy system. The most likely cause of the issue where an ICS (Industrial Control System) could not be updated due to hardware versioning incompatibility is a legacy system. Legacy systems often have outdated hardware and software that may not be compatible with modern updates and patches. Thi

Submitted by ahmad_uae· Mar 6, 2026Vulnerability Management

Question

During a tabletop exercise, engineers discovered that an ICS could not be updated due to hardware versioning incompatibility. Which of the following is the most likely cause of this issue?

Options

ALegacy system
BBusiness process interruption
CDegrading functionality
DConfiguration management

Explanation

The most likely cause of the issue where an ICS (Industrial Control System) could not be updated due to hardware versioning incompatibility is a legacy system. Legacy systems often have outdated hardware and software that may not be compatible with modern updates and patches. This can pose significant challenges in maintaining security and operational efficiency.

Topics

#Legacy systems#ICS security#Vulnerability management challenges

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