termin-1: - add accessibility (a11y) section with wcag principles termin-2: - move dns section earlier (before osi/tcp-ip theory) - reorganize network fundamentals flow - remove a11y section (moved to termin-1) - update osi merksatz to "dualen"
termin-1: - add accessibility (a11y) section with wcag principles termin-2: - move dns section earlier (before osi/tcp-ip theory) - reorganize network fundamentals flow - remove a11y section (moved to termin-1) - update osi merksatz to "dualen"