Module-1 Introduction : Data Communications, Networks, Network Types, Internet History, Standards and Administration, Networks Models : Protocol Layering, TCP/IP Protocol suite, The OSI model, Introduction to Physical Layer-1 : Data and Signals, Digital Signals, Transmission Impairment, Data Rate limits, Performance. (Chapter - 1) Module-2 Digital Transmission : Digital to digital conversion (Only Line coding: Polar, Bipolar and Manchester coding). Physical Layer-2 : Analog to digital conversion (only PCM), Transmission Modes, Analog Transmission : Digital to analog conversion. (Chapter - 2) Module-3 Bandwidth Utilization : Multiplexing and Spread Spectrum, Switching : Introduction, Circuit Switched Networks and Packet switching. Error Detection and Correction : Introduction, Block coding, Cyclic codes, Checksum. (Chapter - 3) Module-4 Data Link Control : DLC services, Data link layer protocols, Point to Point protocol (Framing, Transition phases only). Media Access Control : Random Access, Controlled Access and Channelization. Introduction to Data-Link Layer : Introduction, Link-Layer Addressing, ARP. IPv4 Addressing and subnetting : Classful and CIDR addressing, DHCP, NAT. (Chapter - 4) Module-5 Wired LANs Ethernet : Ethernet Protocol, Standard Ethernet, Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet, Wireless LANs : Introduction, IEEE 802.11 Project and Bluetooth. Other Wireless Networks : Cellular Telephony. (Chapter - 5)
