Computer Network

Communication Network Types of Communication Network Channels and Circuits Signals and Transmission Channel Speed and Bit Rate Online and Offline Systems Interactive and Non-interactive Systems COMMUNICATION SYSTEM NOISE Concept of Modulation Amplitude Modulation AM Bandwidth Frequency Modulation FM Bandwidth Concept of Noise Noise Figure Noise Temperature MULTIPLEXING Concept of Multiplexing Frequency Division Multiplexing Time Division Multiplexing Wavelength Division Multiplexing COMPUTER NETWORK Network Models Categories of Networks Line Configurations Internetworks Reference Models n Issues of Layers TCP/IP Model ISO/OSI Model OSI and TCP Reference Model Asynchronous Transfer Mode (ATM) NETWORK CONCEPTS Network Concepts Wireless Networks Layered Approach Protocols Intranet and Extranet Network Components Bridges/Switches Network Interface Card Cabling Connector Standards Concentrators Routers Repeaters v Gateways ISDN PHYSICAL LAYER Data Communication Bandwidth Limited Signals Fourier Analysis Data Rate of Channels Transmission Media Guided Media Unguided Media Transmission Impairment Physical Layer EIA-232-D Digital Interface EIA-232-D Interface Standard Modems Types of Modems Block Schematic of Modems DATA LINK LAYER Framing Methods Flow Control Sliding Window Protocols High Level Data Link Control Types of Stations Modes of Operation SLIP PPP MEDIUM ACCESS SUBLAYER Access Protocol Channel Allocation ALOHA CSMA WDMA IEEE Standards High Speed LANs Satellite Networks NETWORK LAYER Design Issues Routing Algorithms Congestion Control Load Shedding Choke Packets Token Bucket Algorithm INTERNETWORKING Internetworking Devices Firewalls TCP/IP Protocol TRANSPORT LAYER UPPER LAYER Secret Algorithms DNS Internet Tools HTML HTTP USENET News Email