Your question is AES Modes. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
What are the modes of AES?
Name the commonly used modes, explain how they differ, and identify which modes provide confidentiality only versus authenticated encryption. Include the main security pitfalls and recommend a mode for protecting application data.