The textbook was created in accordance with the Federal State Educational Standard of Secondary Vocational Education by Profession "Master in Digital Information Processing," PM.02 "Storage, transmission and publication of digital information." When studying and mastering the textbook, students will acquire knowledge and practical skills in forming a media library for structured storage of digital information, managing the placement and replication of digital information on different media, publishing multimedia content on the Internet. The methodology for the implementation of various projects and the organization of training through project activities are considered.