CompTIA CASP+ (CAS-004) — Question 556

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 use in PLCs, making it the most relevant programming language for automation in industrial environments. Other options like Rust, C, Python, and Java are general-purpose programming languages and are not specifically tailored for PLC applications.