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Preface | |
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An Overview of Telecommunications | |
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Objectives | |
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Introduction | |
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What is Telecommunication? | |
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History of Telecommunications | |
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History of Telecommunications Technologies | |
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History of the Telecommunications Industry | |
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Telecommunications Networks | |
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Internet | |
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Classification of Data Networks | |
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Classification by Spatial Distance | |
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Classification by Topology | |
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Classification by Ownership | |
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Classification by Switching Technology | |
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Classification by Computing Model | |
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Classification by Type of Information | |
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Telecommunications Standards | |
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International Standards Organizations | |
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National Regulatory and Standards Organizations | |
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European Standards Organizations | |
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De facto Standards | |
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Challenges of Telecommunication Technologies | |
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Careers in Telecommunications | |
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Summary | |
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Review Questions | |
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Electronics for Telecommunications | |
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Objectives | |
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Introduction | |
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Communications System Parameters | |
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Type of Information | |
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Bandwidth | |
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Broadband versus Baseband | |
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Synchronous versus Asynchronous | |
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Simplex, Half-Duplex, and Full-Duplex | |
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Serial versus Parallel | |
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Analog versus Digital | |
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Noise | |
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Modulation | |
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Fourier Theorem and Spectral Analysis | |
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Amplitude Modulation (AM) | |
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Frequency Modulation (FM) | |
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Phase Modulation (PM) | |
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Pulse Modulation | |
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Multiplexing | |
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Frequency Division Multiplexing (FDM) | |
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Time Division Multiplexing (TDM) | |
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Wavelength Division Multiplexing (WDM) | |
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Summary | |
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Review Questions | |
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Transmission Media | |
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Objectives | |
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Introduction | |
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Copper Cables | |
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Coaxial Cable | |
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Unshielded Twisted Pair (UTP) | |
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Shielded Twisted Pair (STP) | |
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Attenuation in Copper Cables | |
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International Cabling Specifications | |
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Copper Versus Fiber | |
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Fiber-Optic Cables | |
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Fiber Construction and Types | |
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Light Propagation through Fiber | |
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Optical Sources and Detectors | |
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Construction of a Fiber-Optic Cable | |
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Joining Fibers | |
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Transmission Impairments in Fiber-Optic Cables | |
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Cabling Architecture | |
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Structured Wiring | |
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Cable Facilities Hardware | |
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Cable Installation | |
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Cable Tests | |
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Summary | |
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Review Questions | |
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Voice Communications | |
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Objectives | |
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Introduction | |
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Public Telephone Network | |
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Switching Systems | |
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Telecom Infrastructure | |
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Telephone Cable Architecture | |
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Line Conditioning | |
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The Telephone | |
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Analog versus Digital Telephones | |
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Telephone Circuit and Speech Characteristics | |
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Outgoing Call | |
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Incoming Call | |
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Line Signaling | |
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Loop Start | |
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Ground Start | |
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Trunk Signaling | |
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Single Frequency (SF) | |
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EandM Signaling | |
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Common Channel Signaling | |
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Intelligent Network Services | |
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Caller Identification | |
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Automatic Call Distribution (ACD) for Businesses | |
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Voice Processing Systems for Businesses | |
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Business Telephone Systems | |
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Telephone Lines | |
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Private Branch Exchange (PBX) | |
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Centrex | |
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Virtual PBX Service | |
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Network Design Parameters | |
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Grade of Service | |
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Estimated Traffic | |
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Network Design | |
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Converged Networks | |
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Summary | |
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Review Questions | |
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Wireless Communications | |
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Objectives | |
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Introduction | |
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Cellular Mobile Telephone System | |
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Cellular Topology | |
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Analog Versus Digital Access | |
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Analog Access | |
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Digital Access | |
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Wireless Applications and Products | |
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Wireless Lans (Wlans) | |
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Microwave LANS | |
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Radio LANS | |
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Infrared LANS | |
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Broadband Wireless Systems | |
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Satellite Communications | |
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Satellite Earth Station | |
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Geosynchronous Satellite (GEO) | |
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Low Earth Orbit (LEO) and Medium Earth Orbit (MEO) Satellites | |
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International Wireless Communications | |
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UMTS and IMT-2000 | |
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Global System for Mobile Communications (GSM) | |
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Summary | |
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Review Questions | |
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Data Communications | |
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Objectives | |
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Introduction | |
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Evolution of Data Networks | |
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Open Systems Interconnect (OSI) Model | |
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Physical Layer | |
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Data Link Layer | |
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Network Layer | |
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Transport Layer | |
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Session Layer | |
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Presentation Layer | |
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Application Layer | |
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Character Codes | |
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ASCII | |
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Data Coding Methods | |
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Non-Return to Zero Level (NRZ-L) | |
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Bipolar Alternate Mark Inversions (Bipolar AMI) | |
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Bipolar with 8 Zero Substitution (B8ZS) | |
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Manchester Encoding | |
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2 Binary 1 Quaternary | |
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Data Compression | |
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Run-Length Encoding | |
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Huffman Code | |
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Error Detection and Correction | |
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Parity Checking | |
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Longitudinal Redundancy Check (LRC) | |
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Hamming Code | |
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Cyclic Redundancy Check (CRC) | |
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Data Link Protocols | |
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High-Level Data Link Control (HDLC) | |
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OSI Model Implemented in LANs | |
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Client/Server | |
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Lan Access Method | |
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Token Passing | |
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Carrier Sense Multiple Access with Collision Detection (CSMA/CD) | |
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Lan Technologies | |
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Token Bus | |
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Token Ring | |
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Fiber Distributed Data Interface (FDDI) | |
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Ethernet | |
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Internetworking | |
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Repeaters | |
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Bridges | |
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Switches | |
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Routers | |
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Gateways | |
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Channel Service Unit (CSU)/Digital Service Unit (DSU) | |
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Trunking | |
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Summary | |
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Review Questions | |
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Wide Area Network and Broadband Technologies | |
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Objectives | |
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Introduction | |
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Packet Switching Networks | |
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X.25 | |
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Frame Relay | |
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Advantages of Frame Relay | |
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Switched Multimegabit Data Service (SMDS) | |
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Integrated Services Digital Network (ISDN) | |
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Advantages and Disadvantages of ISDN | |
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Synchronous Optical Network (SONET) | |
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STS-1 Transmission Rate | |
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Advantages of SONET | |
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SONET Protocol | |
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STS-1 Frame Structure | |
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Asynchronous Transfer Mode (ATM) | |
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ATM Layer and Cell Format | |
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ATM and QoS | |
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Advantages of ATM | |
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Drawbacks of ATM | |
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ATM Standards | |
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Gigabit Ethernet versus ATM in LAN Backbone | |
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Packet Over SONET (PoS) | |
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Dynamic Synchronous Transfer Mode (DTM) | |
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Residential or Small Business Access Technologies | |
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Digital Subscriber Line (DSL) | |
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Cable Modems (CMs) | |
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ATM-Passive Optical Network (ATM-PON) | |
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Summary | |
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Review Questions | |
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Internet and Converged Networks | |
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Objectives | |
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Introduction | |
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TCP/IP Model | |
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Transmission Control Protocol (TCP) | |
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User Datagram Protocol (UDP) | |
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Internet Protocol (IP) | |
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IP Version 4 (IPv4) Addressing | |
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IP Version 6 (IPv6) | |
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TCP/IP-based Applications and Standards | |
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TCP Via Satellite | |
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Internet 2 (12) | |
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SNA Versus TCP/IP | |
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Virtual Private Network (VPN) | |
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VPN Protocols | |
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Intranet and Extranet | |
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Converged Networks | |
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Voice Over IP (VoIP) | |
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PSTN and IP Internetworking | |
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VoIP Protocols | |
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VoIP Call Process | |
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IP QoS | |
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Voice Over Frame Relay (VoFR) | |
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Voice Over ATM | |
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Summary | |
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Review Questions | |
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Network Management | |
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Objectives | |
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Introduction | |
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Policy Management | |
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Evaluation of Network Hardware and Software | |
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Network Hardware | |
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Network Software | |
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Network Administration and Maintenance | |
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Network Security | |
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Security Threats | |
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Security Policy | |
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Security Measures | |
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Security Provisions in a VPN | |
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Configuration Management | |
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Network Applications and Services | |
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Network Attached Storage (NAS) | |
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Network Application Software | |
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Directory Services | |
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Telecommunications Management Network | |
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Summary | |
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Review Questions | |
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Telecom Policy and Business Contracts | |
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Objectives | |
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Introduction | |
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Telecommunications Act of 1996 | |
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Infrastructure for a Timely Deployment of Advanced Services | |
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The Promotion of Competition | |
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Universal Availability of Advanced Services | |
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Regulation on Electronic Documents | |
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Global Perspective | |
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Intellectual Property | |
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Global Intellectual Property Law | |
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Telecom Policy Impact on Businesses | |
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Global Market Competitiveness | |
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Electronic Commerce | |
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Service Level Agreement (SLA) | |
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Need for a SLA | |
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Selecting a Service Provider | |
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Application Performance Evaluation | |
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Network Performance Evaluation | |
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SLA Clauses | |
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SLA Negotiation | |
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SLA Monitoring Tools | |
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Implementing an SLA | |
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Total Cost of Ownership (TCO) | |
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Cost/Benefit Analysis | |
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Net Value | |
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TCO Applications | |
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Summary | |
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Review Questions | |
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Acronyms | |
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Glossary | |
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Index | |