How are independent executive agencies similar to independent regulatory commissions

The correct answer for above statement is:

Both are designed to limit the presidents direct control over their activities

Independent regulatory agencies are central agencies established by an act of Congress that is independent of the administrative departments. Though they are supposed to part of the executive branch, these agencies are expected to deliver and enforce regulations free of political influence. The Independent Regulatory Commissions. These commissions are planned to coordinate important characters of the nation's economy. Independent regulatory obligations are quasi-legislative bodies that affect mainly outside the regulatory control.