Basic concepts of data communication; OSI model; signal
characteristics; encoding and modulating; transmission of
digital data; communication interface device; communication
media; data multiplexing; high speed digital access (Digital
Subscriber Line (xDSL), integrated services digital network
(ISDN), Cable TV, SONET/SDH,); error detection and
correction; data link flow control; switching; point-to-point
protocol ( ) PPP
)
; multiple access