The answer is Federal Communications Commission.
The Office of Management and Budget (OMB) is primarily responsible for assisting the President in overseeing the preparation of the federal budget and supervising its administration in Executive Branch agencies. It does not regulate radio, television, wire, and cable.
There is no federal entity known as the Community Standards Board that regulates radio, television, wire, and cable. This option is not applicable.
The Department of Homeland Security (DHS) is responsible for public security, dealing with anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management. It does not regulate radio, television, wire, and cable.
There is no federal Department of Communications in the United States. This option is not applicable.
The Federal Communications Commission (FCC) is an independent agency of the United States government created to regulate interstate communications by radio, television, wire, satellite, and cable. Therefore, the FCC is the correct answer.