I gave you from many channels to collect and organize a bit, this subject is the national unified examination, but as said upstairs in the police university it belongs to the technology can participate in the public security joint examination. Every police academy has cyber police related specialties, public universities and police academies have network security, police universities are also constantly improving the rich subject system it. Specific things are below, for your reference.

Preparation materials reference books

Exam questions and scores

This is the admissions score line for these two years

Reference materials

Enrollment situation