ACCA——國(guó)際領(lǐng)先的專(zhuān)業(yè)會(huì)計(jì)師組織一百多年來(lái)，英國(guó)特許公認(rèn)會(huì)計(jì)師公會(huì)（The Association of CharteredCertified Accountants，簡(jiǎn)稱(chēng)ACCA）在全世界范圍內(nèi)備受尊崇。無(wú)論您的背景如何。ACCA都能通過(guò)使您受益終生的課程滿(mǎn)足您個(gè)性化的需求和目標(biāo)。ACCA成立于1904年，是目前世界上最負(fù)盛名的專(zhuān)業(yè)會(huì)計(jì)師團(tuán)體之一，也是國(guó)際上海外學(xué)員最多、學(xué)員規(guī)模發(fā)展最快的專(zhuān)業(yè)會(huì)計(jì)師組織。目前在160個(gè)國(guó)家和地區(qū)擁有近30萬(wàn)會(huì)員和學(xué)員，設(shè)有200多個(gè)考點(diǎn)，具有真正的國(guó)際性。ACCA以高質(zhì)量的課程設(shè)計(jì)，高標(biāo)準(zhǔn)的培訓(xùn)要求和高水平的考試安排，贏得聯(lián)合國(guó)和大量國(guó)際組織的高度評(píng)價(jià)，更為眾多的跨國(guó)公司和專(zhuān)業(yè)機(jī)構(gòu)所推崇。ACCA以其獨(dú)到的全球觀念引領(lǐng)會(huì)計(jì)培訓(xùn)之新潮，率先全面推出以國(guó)際會(huì)計(jì)準(zhǔn)則和國(guó)際審計(jì)準(zhǔn)則為基礎(chǔ)的教材和考試，以適應(yīng)世界經(jīng)濟(jì)一體化的大趨勢(shì)。ACCA與我國(guó)合作培養(yǎng)的人才，大部分在政府機(jī)構(gòu)、三資企業(yè)、著名會(huì)計(jì)師事務(wù)所和大型企業(yè)中擔(dān)任重要職務(wù)。
CHAPTER 1 INIRODUCTION IO COMMUNICATIONS, STANDARDS, AND PROTOCOLS 1 .1 WHY STUDY COMMUNICATIONS? A Brief History Applications Issues 1.2 COMPUTER NETWORKS Common Bus Topology Star Topology Ring Topology Fully Connected Topology Combined Topologies 1.3 STANDARDS AND STANDARDS ORGANIZATIONS The Need for Standards Agencies 1.4 OPEN SYSTEMS AND THE OSI MODEL Overview of the Model Physical Layer Data Link Layer Network Layer Transport Layer Session Layer Presentation Layer Application Layer Summary 1.5 THE FUTURE OF DATA COMMUNICATIONS REVIEW QUESTIONS EXERCISES REFERENCES
CHAPTER 2 TRANSMISSION FUNDAMERTALS 2.1 COMMUNICATIONS MEDIA Conductive Metal Optical Fiber Wireless Communications Summary 2.2 COMMUNIICATION SERVICES AND DEVICES Telephone System Integrated Services Digital Network Cellular Phones Fax Machines 2.3 CODES ASCII Code EBCDIC Code Baudot, Morse, and BCD Codes 2.4 ANALOG AND DIGITAL SIGNALS Digital Encoding Schemes Analog Signals Bit Rate 2.5 MODULATION AND DEMODULATION Digital-to-Analog Conversion Analog-to-Digital Conversion 2.6 MODEMS AND WODEM STANDARDS Signal Constellation Intelligent (Hayes Compatible) Modems Cable Modems Null Modems 2.7 SUMMARY REVIEW QUESTIONS EXERCISES REFERENCES
CHAPTER 3 DATA COMMUNICATION 3. 1 TRANSMISSION MODES Serial and Parallel Transmission Asynchronous and Synchronous Transmission Simplex, Half-Duplex, and Full-Duplex Communications 3. 2 INTERFACE STANDARDS RS-232 Interface RS-232 Subsets Null Modems RS-449 Interface X.2l Interface 3.3 MULTIPLEXING Frequency-Division Multiplexing Time-Division Multiplexing Statistical Multiplexers T-l Carrier 3. 4 CONTENTION PROTOCOLS Aloha Protocols Carrier Sense Multiple Access Collision Detection Token Passing Summary of Protocols 3.5 DATA COMPRESSION Huffman Code Run-Length Encoding Relative Encoding Lempel-Ziv Encoding Image Compression JPEG MPEG Summary of Compression Techniques 3.6 SUMMARY REVIEW QUESTIONS EXERCISE5 REFERENCES
CHAPTER 4 DATA SECURITV AND INIEGRITV 4.1 INTRODUCTION 4.2 PARITY CHECKING Parity Checking Analysis Double-Bit Error Detection Burst Error Detection 4.3 CYCLIC REDUNDANCY CHECKS Polynomial Division How CRC Works Analysis of CRC CRC Implementation Using Circular Shifts 4.4 HAMMING CODES Single-Bit Error Correction Multiple-Bit Error Correction Comparison of Error Detection and Error Correction 4.5 ENCRVPTION AND DECRVPTION Caesar Cipher Polyalphabetic Cipher Transposition Cipher Bit-Level Ciphering Data Encryption Standard Clipper Chip Key Distribution and Protection Merkle's Puzzles Shamir's Method 4.6 PUBLIC KEY ENCRVPTION RSA Algorithm Digital Signatures Authentication Using Hash-Based Schemes Summary of Encryption Methods Encryption Potpourri 4.7 VIRUSES, WORMS AND HACKERS Infecting Files Memory-Resident Viruses Virus Evolution Virus Sources The Internet Worm Computer Hackers 4.8 SUMMARY REVIEW QUESTIONS EXERCISES REFERENCES
CHAPTER 5 PROTOCOL CONCEPTS 5.1 INTRODUCTION 5.2 BASIC FLOW CONTROL Signaling Frame-Oriented Control Protocol Efficiency 5.3 SLIDING WINDOW PROTOCOLS Frame Format Go-back-n Protocol Selective Repeat Protocol Sliding Window Protocol Efficiency Summary of Protocols 5.4 PROTOCOL CORRECTNESS Finite State Machines Petri Nets 3.3 DATA LINK CONTROL PROTOCOLS High-Level Data Link Control (HDLC) Other Bit-Oriented Protocols Binary Synchronous Communications Protocol Summary: Data Link Protocols 5.6 CASE STUDY: KERMIT Frame Format Protocol Commands 5.7 SUMMARY REVIEW QUESTIONS EXERCISES REFERENCES
CHAPIER 6 LOCAL AREA NETWORKING 6.1 NETWORK TOPOLOGIES 6.2 ETHERNET: IEEE STANDARD 802.3 Relation to OSI Ethernet Components Cable Specifications Connecting Segments Frame Format Efficiency 6.3 TOKEN RING: IEEE STANDARD 802.5 Token and Frame Formats Reserving and Claiming Tokens Ring Maintenance Efficiency Other Ring Networks 6.4 TOKEN Bus: IEEE STANDARD 802.4 Token Bus Operations Lost Tokens Ring Initialization Prioritizing Frames 6.5 INTERCONNECTING LANS Layer l Connections Layer 2 Connections Bridging Different Types of LANs Bridge Routing Summary 6.6 CASE STUDY: NOVELL NETWARE NetWare Configuration Running Novell NetWare Security and Integrity Selected Novell Commands Login Scripts 6.7 SUMMARY REVIEW QUESTIONS EXERCISES REFERENCES CHAPTER 7 WIDE AREA NETWORKING 7.1 INTRODUCTION 7.2 NETWORK ROUTING Routing Tables Types of Routing Dijkstra's Algorithm Bellman-Ford Algorithm Link State Routing Hierarchical Routing Routing Information Protocol Open Shortest Path First Border Gateway Protocol Summary of Routing Techniques Congestion and Deadlock 7.3 PUBLIC DATA NETWORKS: THE X SERIES PROTOCOLS Packet-Switched Network Modes X.25 Public Data Network Interface Standard Triple-X Standard for Non-X.25 Devices 7. 4 INTERNET PROTOCOLS Overview of TCP/IP Internet Addressing Domain Name System IP Packets Fragmentation IP Routing Internet Control Message Protocol IPv6 7.5 TRANSPRT PROTOCOLS Transmission Control Protocol User Datagram Protocol OSI Transport Protocols 7.6 SOCKET PROERAMMING Sockets Client/Server Model Socket Data Structures Socket Commands Client/Server Example 7.7 SUMMARY REVIEW QUESTIONS EXERCISES REFERENCES
CHAPIER 8 ADDITIONAL NEIWORK PROTOCOLS 8.1 INTERNET APPLICATIONS Virtual Terminal Telnet File Transfers Simple Mail Transfer Protocol Simple Network Management Protocol 8.2 WORLD WIDE WEB Web Page Access Hypertext Markup Language HTML Forms JavaScript and Client-side Programming Common Gateway Interface and Server-side Programming 8.3 ELECTRONIC MAIL: X.400 AND X.500 STANDARDS X.400 Mail Standards X.500 Directory Service Summary 8.4 INTEGRATED SERVICES DIGITAL NETWORK ISDN Services ISDN Architecture Protocols Broadband ISDN 8.5 ASYNCHRONOUS TRANSFER MODE Benefits of Small Fixed-Size Cells Overview of ATM Network Switching Reference Model Cell Definition Virtual Circuits and Paths Connection Management Adaptation Layers 8.6 SYSTEMS NETWORK ARCHITECTURE Lower Layers Physical Link Control Path Control Transmission Control Data Flow Control Higher Layers
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