Basically this class is for computer science engineering students and gate studenta Introduction: Uses of Computer Networks, Network Hardware Topologies, Collision Domain, Broadcast Domain Reference Models: Seven-Layer OSI architecture, Concepts of Layers, Protocols and Layer interfaces and PDU TCP/IP Reference Model, Comparison of OSI and TCP/IP reference models Physical Layer: Transmission Media (Cable Media), Wireless Media (Cellular Telephone, Satellite Networks) Types of Connecting Devices (Hubs, Switches, Routers) Data Link Layer: Types of Errors, Redundancy, Error Detection and Correction, CRC, Check Sum, Hamming code & Distance Multiple Access Protocols: - Random Access Protocols–ALOHA, CSMA, CSMA/CA, CSMA/CD Channelization Protocols: FDMA, TDMA, CDMA Controlled Access Protocols: Reservation, Polling, Token Passing, Piggybacking Noiseless Channels: Elementary data link protocols: Stop and Wait Noisy Channel: Stop and Wait, Automatic Repeat Request, go-back-n, selective repeat Network Layer: Concept of IP packet and addresses, IPv4 protocol format, Routing Algorithm-Distance Vector Routing, Link State Routing IPV6, Transition from IPv4 to IPv6(format) Network Classes (A, B, C, D) and Subnetting