Computer Network

Introduction - Data Communication System and Its Components Data Flow Networks types of Connection and Topologies LAN MAN WAN Internetwork Internet . Network Models- OSI Models Layers in OSI Models TCP/IP protocol Suite Address. Digital Transmission -Transmission Modes Bandwidth Utilization: Multiplexing. SwitchingCircuit Switched Network Datagram Network. Error Detection and Correction-Types of errors Detection versus correction CRC encoder and decoder checksum. Data Link Control-Framing flow and error control.Multiple Access- CSMA/CA CSMA/CD. Network Layer-IPv4 Addressing Address space ClassfulAddressing Classless Addressing Address block mask Network Address. Network Layer: Internet Protocol-Internetworking Network Layer: Delivery Forward Techniques Next-Hop Method verses route method Network Specific method versus Host- specific Method. Transport Layer-Process to process delivery UDP-Well known ports of UDP Operation and uses TCP services and features. Three-way Handshake for connection establishment and termination. Application Layer -Domain Name Space Remote Logging Electronic Mail and File Transfer- Email FTP.WWW and HTTP- HTTP.