CompTIA SecurityX (CAS-005) — Question 239

An organization is researching the automation capabilities for systems within an OT network. A security analyst wants to assist with creating secure coding practices and would like to learn about the programming languages used on the PLCs. Which of the following programming languages is the most relevant for PLCs?

Answer options

• A. Ladder logic
• B. Rust
• C. C
• D. Python
• E. Java

Correct answer: A

Explanation

Ladder logic is specifically designed for programming PLCs and is the most relevant language used in industrial automation. Rust, C, Python, and Java are general-purpose programming languages and are not primarily associated with PLCs, making them less suitable for this context.