Network Engineer examines the basic knowledge of network system planning and design and the basic skills of system construction, equipment configuration and debugging, on-site maintenance and management of small and medium-sized networks; "Database Engineer" examines the basic theory and technology of database system and the basic ability of database design, maintenance, management and application development; According to the latest examination syllabus issued by the Examination Center of the Ministry of Education, the three-dimensional examination course of the national computer rank examination-Level 4 Network Engineer, was compiled by the editor in combination with years of practical experience in proposition, marking and training and counseling.
The arrangement of chapters in the book is consistent with the official curriculum, and the main contents include: basic principles of network system structure and design, overall planning and design methods of small and medium-sized network systems, IP address planning and design methods, routing design basis, LAN technology, switches and their configurations, routers and their configurations, wireless LAN technology, installation and configuration of computer network information service systems, network security technology, network management technology, etc. At the end of the book, there are three sets of simulated written test papers for candidates to practice before the exam.