Data Communication Pdf Notes Free download Data Communication Pdf Notes Free download SUBJECT NAME : DATA COMMUNICATION Module – I : Introduction, Networks Models, Introduction to Physical Layer-1 & Digital Transmission Module – II : Physical Layer-2, Bandwidth Utilization & Switching Module – III : Error Detection and Correction & Data link control Module – IV : Media Access control, Wired LANs Ethernet & Wireless LANs Module – V : Other Wireless Networks, Network layer Protocols & SNext generation IP