Understand the problem and find the school department.

Network supervision department. Learning problems can be solved by the network supervision department. The school network supervision department is responsible for the planning, design, construction, implementation and maintenance of the campus network backbone. Responsible for the construction, management and maintenance of the core basic service system of campus network, including EMAIL, VPN, DNS, DHCP, etc. Responsible for the account opening and daily maintenance management of campus network users and the consultation and solution of network users' problems. Responsible for the internal network information security and information confidentiality of the campus network. Responsible for the external coordination of the school network and assist the school to build a digital and information-based campus. Responsible for the distribution of campus network resources, the management and maintenance of data security, providing storage, backup and other services for important resources of the school to ensure the safety of data information. Responsible for maintaining the safe operation of campus network, constantly improving network security measures, eliminating all kinds of hidden dangers of online attacks in time, and ensuring the safety of campus network export. You can ask him if you have any network problems.