In the interview, Henri was asked if he was familiar with coding, to which he replied, "Yes, I am. I have taken three coding classes during my studies at Iowa State University." The interviewer was asking about which aspect of career readiness?

Answer: knowledge

Explanation:

Career readiness refers to having necessary competencies that will make you succeed in your chosen career after college.

Knowlegde is crucial otherwise it would be fruitless to hire you when you don't have necessary information, skills and facts that are needed to perform the tasks in your given career, this involves theoritical and practical information, skills and facts that you can actual apply in your career when you get a job.