【正文】 t 網(wǎng)絡(luò)接入點(diǎn)NDS Netware directory services Netware目錄服務(wù)NRZ Not return to zero 不歸零碼Nyquist 尼奎斯特NAK Negative acknowledgement 否定應(yīng)答信號(hào)NRM Normal response mode 正常響應(yīng)方式NISDN Narrowband integrated service digital network 窄帶ISDNNLP Normal link pulse 正常鏈路脈沖NAT Network address translators 網(wǎng)絡(luò)地址翻譯NAPT Network address port translation 網(wǎng)絡(luò)地址和端口翻譯NVT Network virtual terminal 網(wǎng)絡(luò)虛擬終端NCSA National center for superputing Applications NFS 美國(guó)國(guó)家科學(xué)基金會(huì)NVP Network voice protocol 網(wǎng)絡(luò)語(yǔ)音協(xié)議NSP Name service protocol 名字服務(wù)協(xié)議NIC Network information center 網(wǎng)絡(luò)信心中心NIC Network interface card 網(wǎng)卡NOS Network operating system 網(wǎng)絡(luò)操作系統(tǒng)NDIS Network driver interface specification NREN National research and educational network 國(guó)家研究和教育網(wǎng)NIST National instrtute of standards and technology 國(guó)際標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì)NNI Network network interface 網(wǎng)絡(luò)網(wǎng)絡(luò)接口NNTP Network news transfer protocol 網(wǎng)絡(luò)新聞傳輸協(xié)議NCSA National center for superputing applications 國(guó)家超級(jí)計(jì)算機(jī)應(yīng)用中心NTSC National television standards mittee 美國(guó)電視標(biāo)準(zhǔn)委員會(huì)NDIS Network drive interface specification 網(wǎng)絡(luò)驅(qū)動(dòng)程序接口規(guī)范NETBIOS 網(wǎng)絡(luò)基本輸入輸出系統(tǒng)NETBEUI BetBIOS Extended user interface NETBIOS擴(kuò)展用戶界面NBI Network binding interface 網(wǎng)絡(luò)關(guān)聯(lián)接口NFS Network file system 網(wǎng)絡(luò)文件系統(tǒng)NIST 美國(guó)國(guó)家標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì)NCSC 國(guó)家計(jì)算機(jī)安全中心NNTP Network news transfer protocol 網(wǎng)絡(luò)新聞傳輸協(xié)議NVOD Near video ondemand 影視點(diǎn)播業(yè)務(wù)NIU 網(wǎng)絡(luò)接口單元NAS 網(wǎng)絡(luò)接入服務(wù)NAS Network attached storage 網(wǎng)絡(luò)連接存儲(chǔ) OAM Operation and maintenance 操作和維護(hù)OSI/RM Open system interconnection/Reference model 開放系統(tǒng)互聯(lián)參考模型OMAP Operations maintenance and administration part 運(yùn)行、維護(hù)和管理部分OAM Operation and maintenance OFDM Orthogonal frequency division multiplexing OSPF Open shortest path first 開放最短路徑優(yōu)先OGSA Open Grid Services Architecture 開放式網(wǎng)格服務(wù)架構(gòu)ONU Optical network unit 光纖網(wǎng)絡(luò)單元OLE 對(duì)象鏈接和嵌入ODI Open data link interface 開放數(shù)據(jù)鏈路接口ODBC 開放數(shù)據(jù)庫(kù)連接OSA 開放的業(yè)務(wù)結(jié)構(gòu) PC 程序計(jì)數(shù)器PEM 局部存儲(chǔ)器PTT Post telephoneamp。telegraph PLP 分組級(jí)協(xié)議PSK 相移鍵控PCM Pulse code modulation 脈碼調(diào)制技術(shù)PAD Packet assembly and disassembly device 分組拆裝設(shè)備PCS 個(gè)人通信服務(wù)PSE 分組交換機(jī)PDN Public data network 公共數(shù)據(jù)網(wǎng)PLP Packet layer protocol PVC Permanent virtual circuit 永久虛電路PBX Private branch eXchange 專用小交換機(jī)PMD Physical medium dependent sublayer 物理介質(zhì)相關(guān)子層PTI Payload type 負(fù)載類型PAM 脈沖幅度調(diào)制PPM 脈沖位置調(diào)制PDM 脈寬度調(diào)制PDA Personal digital assistant 個(gè)人數(shù)字助理PAD Packet assemblerDisassembler 分組打包/解包PDU Protocol data unit 協(xié)議數(shù)據(jù)單元PLCP Physical layer convergence protocol 物理層會(huì)聚協(xié)議PMD Physical medium dependent 物理介質(zhì)相關(guān)子層PCF Point coordination function 點(diǎn)協(xié)調(diào)功能PPP Point to point protocol 點(diǎn)對(duì)點(diǎn)協(xié)議PSTN Public switched telephone network 公共電話交換網(wǎng)PSDN Packet Switched data network 公共分組數(shù)據(jù)網(wǎng)絡(luò) Packet switching node 分組交換節(jié)點(diǎn)PAP Password authentication protocol 口令認(rèn)證協(xié)議PAM Pluggable authentication modules 可插入認(rèn)證模塊POTS Plain old telephone service 老式電話服務(wù)PCS Personal munications service 個(gè)人通信服務(wù)PCN Personal munications network 個(gè)人通信網(wǎng)絡(luò)PCR Peak cell rate 峰值信元速率POP Post office protocol 郵局協(xié)議PGP Pretty good privacy 相當(dāng)好的保密性PCA Policy certification authorities 策略認(rèn)證機(jī)構(gòu)PPTP Point to point Tunneling protocol 點(diǎn)對(duì)點(diǎn)隧道協(xié)議POSIX 可移植性操作系統(tǒng)接口PTR 相關(guān)的指針PDH Plesiochronous digital hierarchy 準(zhǔn)同步數(shù)字系列PPPoE Pointtopoint protocol over ethernet 基于局域網(wǎng)的點(diǎn)對(duì)點(diǎn)通信協(xié)議PXC 數(shù)字交叉連接PRI Primary rate interface 主要率速接口 QAM Quadrature amplitude modulation 正交副度調(diào)制QOS Quality of service 服務(wù)質(zhì)量 RTSE Reliable transfer service element 可靠傳輸服務(wù)元素ROSE Remote operations service element 遠(yuǎn)程操作服務(wù)元素RZ Return to zero 歸零碼Repeater 中繼器RJE Remote job entry 遠(yuǎn)程作業(yè)RARP Reverse address resolution protocol 反向ARP協(xié)議RPC Remote procedure call 遠(yuǎn)程過(guò)程調(diào)用RFC Request for ments 請(qǐng)求評(píng)注RAID Redundant array of inexpensive disks 廉價(jià)磁盤冗余陣列RADIUS 遠(yuǎn)端驗(yàn)證撥入用戶服務(wù)RAS Remote access services 遠(yuǎn)程訪問(wèn)服務(wù)RISC Reduced instruction set puter 最簡(jiǎn)指令系統(tǒng)RIP Routing information protocol 路由信息協(xié)議RRAS 路由與遠(yuǎn)程訪問(wèn)服務(wù)RDP 遠(yuǎn)程桌面協(xié)議RADSL 速率自適應(yīng)用戶數(shù)字線RAN 無(wú)線接入網(wǎng)RAS Remote access server 遠(yuǎn)程訪問(wèn)服務(wù)器RSVP Resource ReSerVation Protocol 資源預(yù)約協(xié)議 SISD 單指令單流數(shù)據(jù)流SIMD 單指令多流數(shù)據(jù)流SP 堆棧指針寄存器SNA System Network Architecture 系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu)SNA/DS SNA Distribution service 異步分布處理系統(tǒng)SAP Service access point 服務(wù)訪問(wèn)點(diǎn)SAP Service advertising protocol 服務(wù)公告協(xié)議SPX Sequential packet eXchange SNIC 子網(wǎng)無(wú)關(guān)的會(huì)聚功能SNDC 子網(wǎng)相關(guān)的會(huì)聚功能SNAC 子網(wǎng)訪問(wèn)功能SNACP Subnetwork access ptotocol 子網(wǎng)訪問(wèn)協(xié)議SNDCP SubNetwork dependent convergence protocol 子網(wǎng)相關(guān)的會(huì)聚協(xié)議SNICP SubNetwork independent convergence protocol 子網(wǎng)無(wú)關(guān)的會(huì)聚協(xié)議STP Shielded twisted pair 屏蔽雙絞線STP Signal tr