Administration according to law means that the administrative agency shall, in accordance with the provisions of the law, within the statutory authority, and in accordance with the legal procedures, perform actions with conclusive and sufficient evidence.
According to the above definition, which of the following actions meets the requirements of the administration according to law?
A district public security bureau believed that Mr. Zhang had interfered with the normal life of neighbors. According to the Law on Public Security Management Penalties, he was fined 5,000 yuan and sentenced to administrative detention for 15 days.