If the network equipment fails, contact the network operator to check whether there is any problem with the background data transmission. You can ask the background to reset data and restart hardware devices such as optical cats, routers and switches. Established in 2003, the National Cadre Education and Training Network is a super-operator-level learning platform integrating information, academics, examinations, assessment, data downloading and distance education for cadres of party and government systems, enterprises and institutions at all levels in China.