Term Definition Reference Page BPR Business Process Re-engineering 17 CAPS Competitive Access ProviderS 10 CO Central Office 7 IPO Input-Processing-Output (model) 24 ISO International Standards Organization 12 IXC Inter-Exchange Carrier 7 LATA Local Access Transport Areas 6 LEC Local Exchange Carrier 7 MFJ Modified Final Judgement 8 OSI Open Systems Interconnection (model) 21 POP Point of Presence 7 PSN Public Switched Network 6 RBOC Regional Bell Operating Companies 8 TCP/IP Transmission Control Protocol/Internet Protocol 23

Chapter Two Term Definition Reference Page ASCII American Standard Code (for) Information Interchange 37 BPS (bps) Bits Per Second 52 CSU/DSU Channel Service Unit/Data Service Unit 60 DCE Data Communications Equipment 45 DSP Digital Signaling Processor 59 DTE Data Terminal Equipment 45 EBCDIC Extended Binary Coded Decimal Interchange Code 37 FSK Frequency Shift Keying 51 ISDN Integrated Services Digitial Network 61 NTU Network Termination Unit 61 POTS Plain Old Telephone Service 48 PSK Phase Shift Keying 52 PSTN Public Switched Telephone Network 49 QAM Quadratic Amplitude Modulation 54 QPSK Quadrature Phase Shift Keying 52 S/N Signal to Noise Ratio 56 UART Univeral Asynchronous Receiver Transmitter 45 Chapter Three Term Definition Reference Page ACE Adverse Channel Enhancements 73 ACK ACKnowledgement 82 API Application Program Interfaces 91 APT Advanced Parallel Technology 75 ARQ Automatic Retransmission reQuest 82 BIOS Basic Input Output System 91 CRC Cyclic Redundancy Checks (16-bit or 32-bit) 81 LAP-M Link Access Protocol for Modems 85 LRC Longitudinal Redundancy Checks 80 MNP Microcom Networking Protocols 71 NAK Negative AcKnowledgment (used in conjunction with ACK) 82 NASI Netware Asynchronous ServIce 92 TCM Trellis-Coded Modulation 84 USB Universal Serial Bus 76 VRC Vertical Redundancy Checking 80 Chapter Four Term Definition Reference Page ACD Automatic Call Distribution 120 ADPCM Adaptive Differential Pulse Code Modulation 111 AIN Advanced Intelligent Network 129 ANI Automatic Number Identification 128 ASVD Analog Simultaneous Voice and Data 137 ATM Asynchronous Transfer Mode 135 CAI Common Air Interface 119 CBR Constant Bit Rate 135 CPE Customer Premises Equipment 128 CT2 Cordless Telephony generation 2 119 CTI Computer Telephony Integration 120 DTMF Dual-Tone Multifrequency Tones 125 DSVD Digital Simultaneous Voice and Data 138 FRAD Frame Relay Access Device 134 ICP Intelligent Call Processing 130 IP Internet Protocol 130 IVR Interactive Voice Response 123 GSM Global Systems Mobile 132 PAM Pulse Amplitude Modulation 108 PBX Private Branch eXchange 112 PCM Pulse Code Modulation 109 PDM Pulse Duration Modulation 108 PPM Pulse Position Modulation 108 RSVP Resource reSerVation Protocol 132 SDN Software-Defined Network 129 SS7 Signaling System 7 125 SOHO Small Office Home Office 119 SMDR Station Message Detail Recording 117 TAPI Telephony API 123 TSAPI Telephony Services API 122 UDP User Datagram Protocol 130 VBR Variable Bit Rate 136 Chapter Five Term Definition Reference Page ARCNet Attached Resouces Computer Network 173 AU Attachment Units 184 CDDI Copper Distributed Data Interface 176 CRC Cyclical Redundancy Check 165 CSMA/CD Carrier Sense Multiple Access with Collision Detection 159 DAS Dual-Attachment Stations 175 DPA Demand Priority Access 181 DPP Demand Priority Protocol 181 EMI ElectroMagnetic Interference 173 FCS Frame Check Sequence 165 FDDI Fiber Distributed Data Interface 173 IEEE Institute of Electrical and Electronics Engineers 154 ISTE Integrated Services Terminal Equipment 184 LLC Logical Link Control 155 MAC Media Access Layer 155 MAU Multistation Access Unit 162 NIC Network Interface Card 154 RFI Radio Frequency Interference 173 SAS Single-Attachment Stations 175 SBA Synchronous Bandwidth Allocation 176 SNAP SubNetwork Access Protocol 166 TP-PMD Twisted Pair-Physical Media Dependent 177 Chapter Six Term Definition Reference Page AWG American Wire Gauge 227 CSS Card and Socket Services 213 DMA Direct Memory Access 205 EIA/TIA Electronics Industries Association / Telecommunications Industries Association 227 EPP Enhanced Parallel Port 206 LSL Link Support Layer 212 MIB Management Information Bases 218 MLID Multi-Link Interface Drivers 212 NDIS Network Driver Interface Specification 210 NExT Near-End crossTalk 228 NNI Network-Network Interface 225 ODI Open Data-Link Interface 210 RMON MIB Remote MONitoring Management Info Bases 218 RYGB Red, Yellow, Green, Black - Station Wire 226 SNMP Simple Network Management Protocol 218 STP Shielded Twisted Pair 229 UNI User-Network Interface 225 UTP Unshielded Twisted Pair 227 Chapter Seven Term Definition Reference Page ACL Access Control Lists 280 API Application Program Interface 254 DARPA Defense Advanced Research Projects Agency 268 DCE Distributed Computing Environment 271 DDC Data Display Channel 255 DFS Distributed File System 271 DPP Distributed Parallel Processing 284 FAT File Allocation Table 273 HSM Hierarchical Storage Management System 273 IT Interdomain Trust 271 LAN Local Area Network 243 LDAP Lightweight Directory Access Protocol 271 MIB Management Information Bases 276 MSL Mirrored Server Link 283 NDS NetWare Directory Services 270 NFS Network File System 268 NFTS NT File System 273 NOS Network Operating System 245 ODSI Open Directory Services Interface 271 ONC Open Network Computing Environment 268 PDC Primary Domain Controller 270 PERL Practical Extraction and Reporting Language 266 PnP Plug-n-Play 255 RAS Remote Access Server 260 RPC Remote Procedure Call 269 SCAM SCSI Configured Automatically 255 SCSI Small Computer Systems Interface 255 SID Security ID 279 SMP Symmetrical Multi-Processing 282 SNA Systems Network Architecture 275 SNMP Simple Network Management Protocol 276 SRM Security Reference Monitor 280 VPM Virtual Parallel Machines 284 VxD Virtual Device Driver 254 WAN Wide Area Network 243 XDR eXternal Data Representation 269