Data Communications & Networking: Unit-4 and Unit-5 Lecture Notes

Unit IV: 
Contents :

Data link Control: Line Discipline, flow control, error control, Data link Protocols:

Asynchronous Protocols, synchronous protocols, character oriented protocols, bit - oriented protocols, link access procedures.

Unit-4 Lecture Notes
PART-1           <<==
PART-2           <<==
PART-3           <<==
PART-4           <<==



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Unit V: 
Contents :

Local Area Networks: Ethernet, other Ethernet networks, token bus, token ring, FDDI,

Comparison, MAN: IEEE802.6 (DQDB) SMDS, Switching: circuit switching, packet switching, message switching.

Unit-5 Lecture Notes           <<===





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Data Communications & Networking: Unit-3 Lecture Notes

Unit-3: Multiplexing:
Contents Covered:

Multiplexing: Many to one/ one to many, frequency division multiplexing, wave division

multiplexing, TDM, multiplexing applications: the telephone system , Error detection and correction : types of errors, detection , VRC, Longitudinal redundancy check, cyclic redundancy check, checksum, error correction.

Unit 3-Lecture Notes           <<==Click Here

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Data Communications & Networking: Unit-1 and 2 Lecture Notes

Contents Covered: 

Unit I: Introduction: Components, Networks, Protocols and standards, Basic Concepts: Line
Configuration, Topology,Transmission mode, analog and digital signals, periodic and aperiodic signals, analog signals, time and frequency domains, composite signals, digital signals.

Unit-2 : Encoding and modulating:

Encoding and modulating: digital –to- digital conversion, analog-to-digital conversion, digital to analog conversion, analog to analog conversion, digital data transmission, DTE-DCE interface, modems, cable modems,transmission media: guided media, unguided media, transmission impairment. Performance, wavelength, Shannon capacity, media comparison.

Unit-2 Lecture Notes    <<==Click Here

Unit-1 Lecture Notes    <<==Click Here

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