Abstract basic reference model for open systems interconnection (OSI),
functions of the 7 layers of the ISO/OSI model, network management,
formal specification of protocols in SDL, basic terms of communication engineering, signals,
information-theoretical basic terms, basics of digital transmission
(impulse forming, transmission in the baseband and carrierband, channel
coding), multiplexing methods (time, frequency, space), line interfaces,
synchronization, transmission control by character-/bit-oriented
protocols, access-methods to the medium, error control, structure and
usability of local area networks and digital (ISDN) branch exchanges, network (virtual) connections, routing,
addressing, basics of ATM-transmission.
