Data Communication And Networking

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Technical Publications, Jan 1, 2005 - 339 pages
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Digital Transmission FundamentalsDigital signals, Analog versus digital, Limits of achievable data rate in digital communication, Transmission impairment [ Attenuation and attenuation distortion, Delay distortion, Thermal noise, Inter modulation noise, Impulse Noise, Cross talk, Channel capacity]Digital Modulation : Modems, Digital continuous wave modulation techniques for Modem e.g. ASK, FSK, PSK, Baud rate, QAM, Modern constellation patterns, Interface control for typical modem, EIA 232/V.24 interface.Error Detection and Correction : LRC, VRC, CRC, Checksum, Hamming code.Switching Techniques and High Speed Digital AccessDifferent switching techniques, Circuit switching and telephone networks, Signaling system #7. Architecture overview, Packet switching networks, T1 carrier system/E1, T3/E3 carriers, SONET/SDH, DSL Technology, ADSL technology, Cellular Telephone Systems, Cable modems.Data Communication MediaTransmission Media : Guided Transmission Media (Physical description, Application, Transmission Characteristics) Twisted pair (Unshielded and shielded twisted pair), Category 3, Category 5 UTP, Coaxial cable.Wireless transmission unguided media (Terrestrial microwave, Satellite microwave)Fiber Optic Communication : Principle of light transmission, Types and modes of fiber, Losses and dispersion in fiber, Sources (light) and detectors.Satellite Communication : Kepler s laws, Orbital aspects, Geostationary and frequency plans, Frequency plans and polarization, Transponders, Multiple access methods.Network FundamentalsNeed of networks/advantages of network, Structure of communication network (DTE, DCE, Application process, Logical and Physical connection),Point-to-Point, Multidrop Configuration, Simplex, Half Duplex, Duplex transmissionNetwork topologies - Hierarchical [Tree], Horizontal [Bus], Star, Ring, MeshTypes of networks, Network architectures (OSI model), TCP-IP protocol stack overview,Network interface hardware and network hardware components - connectors, transceivers and media converters, NICs, RS-232 and RS-449, PCI, USB Protocols.Devices used for extending LANs - Repeaters, Bridges, Switches.Data Link Layer Control and ProtocolsLine Discipline, Flow and error control, stop and wait ARQ, Go back N ARQ, Selective repeat ARQ.Character oriented protocol [IBM s BSC protocol], Bit oriented Protocols [HDLC], PPPMulti point configuration of a network and multiple access techniques and protocols - Random access, ALOHA, Slotted ALOHA, CSMA, CSMA/CD, Controlled access [Reservation, Polling/select, Token passing] channelisation [FDMA, TDMA, CDMA].Local Area NetworkLAN applications, LAN architecture, LAN topologies [Bus, Star, Ring, Tree], Medium access control [RR, Reservation, Contention], MAC frame format.IEEE 802 LAN standards : 802.3 Ethernet (CSMA/CD), Ethernet frame IEEE 802.3 frame format, IEEE 802.3, 10 Mbps Specification (Ethernet) - 10 Base 5, 10 Base 2, 10 Base T, 10 Base F IEEE 802.3 100 Mbps Specification (Fast Ethernet)Gigabit EthernetFDDI,IEEE 802.5 Token Ring - MAC Techniques, Physical Layer SpecificationBackbone Network - Bus backone, Star backone Virtual LANs.
 

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Contents

Digital Transmission Fundamentals
1
Review Questions
9
Points to Remember
31
Chapter5 High Speed Digital Access
77
Chapter6 Transmission Media
102
Data Communication Media
103
Points to Remember
117
Review Questions
148
Network Fundamentals
168
Points to Remember
216
Review Questions
233
Chapter11 Data Link Layer Control and Protocols
235
Ihapter12 Multiple Access Techniques
267
Chapter13 Local Area Network
293
r M
303
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