【正文】 irectory 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 NRM Normal response mode 正常響應(yīng)方式 NISDN Narrowband integrated service digital network 窄帶ISDN NLP 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 美國國家科學(xué)基金會(huì) NVP Network voice protocol 網(wǎng)絡(luò)語音協(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 inte***ce card 網(wǎng)卡 NOS Network operating system 網(wǎng)絡(luò)操作系統(tǒng) NDIS Network driver inte***ce specification NREN National research and educational network 國家研究和教育網(wǎng) NIST National instrtute of standards and technology 國際標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì) NNI Network network inte***ce 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 國家超級計(jì)算機(jī)應(yīng)用中心 NTSC National television standards mittee 美國電視標(biāo)準(zhǔn)委員會(huì) NDIS Network drive inte***ce 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 BetBIO* **tended user inte***ce NETBIOS擴(kuò)展用戶界面 NBI Network binding inte***ce 網(wǎng)絡(luò)關(guān)聯(lián)接口 NFS Network file system 網(wǎng)絡(luò)文件系統(tǒng) NIST 美國國家標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì) NCSC 國家計(jì)算機(jī)安全中心 NNTP Network news transfer protocol 網(wǎng)絡(luò)新聞傳輸協(xié)議 網(wǎng)絡(luò)工程師復(fù)習(xí)資料 copyright reserved by Ryan Hawk 21 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 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 對象鏈接和嵌入 ODI Open data link inte***ce 開放數(shù)據(jù)鏈路接口 ODBC 開放數(shù)據(jù)庫連接 OSA 開放的業(yè)務(wù)結(jié)構(gòu) PC 程序計(jì)數(shù)器 PEM 局部存儲器 PTT Post telephoneamp。telegraph PLP 分組級協(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) 網(wǎng)絡(luò)工程師復(fù)習(xí)資料 copyright reserved by Ryan Hawk 22 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)對點(diǎn)通信協(xié)議 PXC 數(shù)字交叉連接 PRI Primary rate inte***ce 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)程過程調(diào)用 RFC Request for ments 請求評注 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)程訪問服務(wù) RISC Reduced instruction set puter 最簡指令系統(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 無線接入網(wǎng) RAS Remote access server 遠(yuǎn)程訪問服務(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)訪問點(diǎn) SAP Service advertising protocol 服務(wù)公告協(xié)議 SPX Sequential packet eXchange SNIC 子網(wǎng)無關(guān)的會(huì)聚功能 SNDC 子網(wǎng)相關(guān)的會(huì)聚功能 SNAC 子網(wǎng)訪問功能 SNACP Subnetwork access ptotocol 子網(wǎng)訪問協(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)無關(guān)的會(huì)聚協(xié)議 STP Shielded twisted pair 屏蔽雙絞線 STP Signal transfer point 信令傳輸點(diǎn) 網(wǎng)絡(luò)工程師復(fù)習(xí)資料 copyright reserved by Ryan Hawk 23 STP Spanning Tree Protocol 生成樹協(xié)議 SONET Synchronous optical network SDH Synchronous digital hierarchy 同步數(shù)字系列 SS7 Signaling system SSP Service switching point 業(yè)務(wù)交換點(diǎn) SCP Service control point 業(yè)務(wù)控制點(diǎn) SCCP Signaling connection control part 信令連接控制部分 SDLC Synchronous data link control 同步數(shù)據(jù)鏈路控制協(xié)議 SIM 初始化方式命令 SVC Switched virtual call 交換虛電路 STM Synchronous transfer mode 同步傳輸模式 SAR Segmentation and reassembly 分段和重裝配 SMTP Simple mail transfer protocol 簡單郵件傳送協(xié)議 SFTP Simple file transfer protocol SNMP Simple network management 簡單網(wǎng)絡(luò)管理協(xié)議 SNPP Simple network paging protocol SCSI 小型計(jì)算機(jī)系統(tǒng)接口 SLIP Serial line IP 串行IP 協(xié)議 SMB Server message block 服務(wù)器報(bào)文快協(xié)議 SRT Source routing transparent 源路徑透明 SDU Service data unit 服務(wù)數(shù)據(jù)單元 SMDS Switched multimegabit data service 交換式多兆比特?cái)?shù)據(jù)服務(wù) SAR Segmentation and reassembly 分解和重組 SONET Synchronous optical network 同步光纖網(wǎng)絡(luò) SDH Synchronous digital hierarchy 同步數(shù)字分級結(jié)構(gòu) STS1 Synchronous transport signal1 同步傳輸信號 SPE Synchronous payload envelope 同步凈荷包 SIPP Simple internet protocol plus 增強(qiáng)的簡單因特網(wǎng)協(xié)議 SCR Sustained cell rate 持繼信元速率 SECBR Severlyerrored cell block ratio 嚴(yán)重錯(cuò)誤信元塊比率 SEAL Simple efficient adaptation layer 簡單有效的適配層 SSCOP Service specific connection oriented protocol 特定服務(wù)的面向連接協(xié)議 SHA Secure hash algorithm 保密散列算法 SMI Structer of ma