Answer: Prevent a bank's departments from sharing information.

## Explanation A "Chinese wall" in banking refers to an information barrier that prevents different departments within a financial institution from sharing confidential information. This is particularly important to prevent conflicts of interest, such as: - **Preventing insider trading**: Investment banking departments may have access to material non-public information about clients that could be used for trading advantages - **Maintaining confidentiality**: Ensuring sensitive client information is not improperly shared between different business units - **Regulatory compliance**: Meeting requirements to separate functions like investment banking, research, and trading **Why other options are incorrect:** - **Option A**: Describes systemic risk protection or deposit insurance, not Chinese walls - **Option C**: Refers to regulatory separation like the Glass-Steagall Act, which is different from internal information barriers - **Option D**: Also refers to regulatory separation between commercial and investment banking, not internal information barriers Chinese walls are internal organizational measures, while options C and D describe external regulatory restrictions on business activities.

Author: LeetQuiz .