1. Introduction : Data communications, networking and the Internet, Data Transmission - transmission techniques, Topologies and Transmission Media, switched networks - circuit and packet switching. Digitization. OSI model, TCP/IP protocol architecture. (Chapter - 1) 2. Signals, Analog and Digital transmission : Analog signal, Digital Signal, Analog vs Digital, Data rate, Transmission impairments, Propagation delay, sampling, serial transmission, parallel transmission, ASK, FSK, PSK, QAM, modems. (Chapter - 2) 3. Data Link Layer Protocols : Data link layer fundamentals - error detection, error correction. Flow control - Stop & wait, Sliding Window Protocols. Error Control - Go-Back-N ARQ, Selective Reject ARQ. High level Data Link Control (HDLC). (Chapter - 3) 4. Network Layer and Transport Layer Protocols : Routing protocols-Distance vector routing, Link state routing, Path vector Routing. Internet protocols - ICMP, IPv4 and IPv6, Connection Oriented and Connectionless services - UDP, TCP. (Chapter - 4) 5. LAN and MAN Protocols : Channel Allocation, Multiple Access, LAN protocols - Ethernet, CSMA/CD, Token bus, Token ring, FDDI. MAN Protocols - IEEE 802.6(DQDB), SMDS, Frame Relay and ATM. (Chapter - 5) 6. Application Layer Protocols : Internet Applications, Electronic Mail (SMTP, MIME) & Management, FTP, CMIP, SNMP, HTTP. (Chapter - 6) 7. Network Security : Cryptography, Symmetric key Algorithms (DES, AES), Public key Algorithms - RSA, Digital Signatures, IPSec, Firewall. (Chapter - 7)
