网络百科全书2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

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2B+D1

2G1

目录1

译者序1

2.5G1

2B1Q1

数字和符号1

1Base51

3G2

4G3

第二版前言3

5-4-3 rule3

3.1 kHz bearer service3

8mm4

10Base24

6to44

6bone4

10Base55

绪论5

10BaseT6

10BaseF6

802.3u8

10G Ethernet8

10GbE8

64-bit architecture10

24×710

64-bit Windows11

100BaseT412

80/20 rule12

100BaseFX12

100BaseT12

100BaseTX13

100VG-AnyLAN14

100BaseVG14

100BaseX14

568-B15

568-A15

802.1p16

802.116

802.3ad17

802.1Q17

802.217

802.317

802.3ab17

802.518

802.3ae18

802.3af18

802.418

802.3z18

802.1119

802.1019

802.619

802.719

802.819

802.919

802.11a20

802.11b21

802.1222

1000BaseCX23

802.1723

802.1323

802.1423

802.1523

802.1623

1000BaseLX24

1000BaseT25

1000BaseSX25

327027

182227

1000BaseTX27

1000BaseX27

139427

525028

AAA29

A6 record29

A29

A＋Certification29

A record29

Abstract Syntax Notation One(ASN.1)30

absolute path30

AAAA record30

AAL30

AATP30

Abilene30

access31

acceptable use policy31

access control entry(ACE)32

access control32

Accessibility Options33

access control list(ACL)33

access list34

Accessibility Wizard34

access mask35

access point(AP)36

access mode36

access method36

account37

access token37

access provider37

account operator38

account lockout38

account domain38

Active Desktop39

ACR39

Account Operators group39

ACE39

ACK39

ACL39

ACM39

ACPI39

Active Directory40

Active Digital Profile(ADPr)40

Active Directory Domains and Trusts42

Active Directory Client42

Active Directory schema43

Active Directory Installation Wizard43

Active Directory Service Interfaces(ADSI)44

active hub45

Active Directory Users and Computers45

Active Directory Sites and Services45

Active Server Pages(ASP)46

active scripting46

active partition46

Active Platform46

active volume47

Active Setup47

ActiveX control48

ActiveX component48

active window48

ActiveX48

adapter49

ActiveX Data Objects(ADO)49

address book view50

ADC50

adaptive acceleration50

Adaptive Differential Pulse-Code Modulation(ADPCM)50

administrative alert51

ADMIN$51

address record51

Address Resolution Protocol(ARP)51

ADMD51

administrative tools(WindowsNT)52

administrative tools(Windows 2000、Windows XP,and Windows.NET Server)52

Administrative Management Domain(ADMD)52

administrative share52

ADO+53

ADO53

administrator53

Administrator group53

ADSL modem54

ADSL54

ADO.NET54

ADPCM54

ADPr54

ADR54

ADSI54

Advanced Encryption Standard(AES)55

Advanced Data Recording(ADR)55

Advanced Configuration and Power lnterface(ACPI)55

Advanced Intelligent Tape(AIT)56

Advanced Infrared(AIr)56

Advanced Peer-to-Peer Networking(APPN)57

Advanced Mobile Phone Service(AMPS)57

Advanced Streaming Format(ASF)58

Advanced Program-to-Program Communications(APPC)protocol58

Advanced Power Management(APM)58

AGLP59

agent59

Advanced Technology Demonstration Network(ATDnet)59

AES59

AFTP59

Alerter service60

AIX60

AH60

AIM60

AIr60

Air Interface60

AIT60

Alpha platform61

Always On/Dynamic ISDN(AO/DI)61

alias61

analog62

AMPS62

American National Standars Institute(ANSI)62

American Registry for Internet Numbers(ARIN)62

AMP62

anchor63

analog transmission63

analog modem63

analog-to-digital converter(ADC)63

anonymous user64

anonymous access64

announcement64

Announcement Manager64

antenna65

answer file65

ANSI65

ANSI C/C++65

ANSI character set65

Apache66

AP66

Anycast66

AO/DI66

AOL Instant Messenger(AIM)66

Apache XML Project67

Apache Software Foundation67

Apple Open Transport68

APPC File Transfer Protocol(AFTP)68

API68

APIPA68

APM68

APM68

APNIC68

APPC68

AppleTalk69

applet69

AppleShare69

AppleShare IP69

Application Center70

appliance70

application level gateway71

application layer proxy71

application layer71

application programming interface(API)72

Application Performance Management(APM)72

application log72

application service provider(ASP)73

ARCNET75

archiving75

APPN75

archive attribute75

ARP command76

ARPANET76

ARC path76

ARIN76

ARP76

ASCII77

AS/40077

AS77

Asia Pacific Network Informaton Center(APNIC)79

ASF79

ASCII file79

Association for Computing Macinery(ACM)80

ASR80

ASN80

ASN.180

ASP80

ASP80

ASP.NET80

Asymmetric Digital Subscriber Line(ADSL)81

asymmetric multiprocessing(AMP)82

Asynchronous Transfer Mode(ATM)83

async83

asynchronous transmission85

ATM over SONET86

ATM Forum86

ATDnet86

ATM86

ATM Adaptation Layer(AAL)86

attrib command87

attuenuation to crosstalk ratio(ACR)87

ATM/SONET87

attenuation87

attribute(Active Directory)88

attribute(file system)88

Authenticated Users group89

AUI connector89

ATU-C89

aTU-R89

auditing89

Audit policy89

authentication provider90

authentication protocol90

Authentication Header(AH)90

AutoComplete91

auto-appication91

Authenticode91

Authorized Academic Training Provider(AATP)91

Automatic Private IP Addressing(APIPA)92

automatic logon92

autodial92

Automation controller93

Automation client93

Automatic System Recovery(ASR)93

Automatic Version Synchronization(AVS)93

Automation93

autonomous system number(ASN)94

autonomous system(AS)94

Automation server94

auto naming94

AXFR request95

AWG95

autosensing95

availability95

AVS95

B2B96

B96

backbone97

B2C97

backboning98

BackOffice99

background99

backup100

Back Orifice100

BackOffice Server100

backup agent102

backup domain controller(BDC)103

backup catalog103

backup browser103

Backup Operators built-in group104

Backup Operator104

backup strategy105

backup set105

BACP106

Backup Wizard106

backup type106

bandwidth107

balun107

balanced line107

bandwidth throttling108

bandwidth on demand108

Bandwidth Allocation Control Protocol(BACP)108

Bandwidth Allocation Protocol(BAP)108

baseband transmission109

BAP109

Banyan VINES109

Basic authentication110

baseline110

bastion host111

basic volume111

basic disk111

Basic Rate Interface ISDN(BRI-ISDN)111

batch command112

B channel113

bCentral113

batch file113

BeOS114

benchmarking114

BDC114

beaconing114

BEEP114

BGP115

best effort115

BER115

Berkeley Internet Name Domain(BIND)115

BERT115

bindings116

bindery116

Binary Runtime Environment for Wireless(BREW)116

Binary Tulloch Transport Protocol(BTTP)116

BIND116

Bit/Block Error Rate Tester(BERT)117

B-ISDN117

biometric authentication117

BizTalk Framework118

BizTalk118

Bit Error Rate(BER)118

bits per second(bps)118

Blackcomb119

BizTalk Server 2000119

Blocks Extensible Exchange Protocol(BEEP)120

block coding120

black hole120

BLEC120

Bluetooth121

blue screen121

BNC connector123

bonding124

B-node124

Boot.ini125

boot files125

boot125

boot partition126

BOOTP126

boot loader menu126

bootstrap protocol(BOOTP)127

Bootsect dos127

boot process127

Border Gateway Protocol(BGP)128

boot volume128

bottleneck129

border router129

breakout box130

bps130

bounce130

bridge131

BREW131

broadband Internet access132

broadband132

bridgehead server132

BRI-ISDN132

broadband wireless communications133

broadband transmission133

broadband ISDN(B-ISDN)133

broadcast packet135

broadcasting135

broadcast domain135

broadcast frame135

browsing136

browser(Web browser)136

broadcast storm136

brouter136

browse list136

browser(Computer Broswer service)136

building-block services137

BSP137

BSD137

Building-centric Local Exchange Carrier(BLEC)138

built-in global group139

built-in domain local group139

built-in account139

bus140

burst140

built-in group140

built-in identities140

business-to-consumer141

business-to-business141

business logic141

bus topology142

C143

C++143

C143

cabinet144

CA144

C2144

cable modem145

cabinet file145

cable tester147

cable run147

cabling148

CA certificate149

caching150

Caching Array Routing Protocol(CARP)152

caching service provider(CSP)153

caching-only name server153

campus area network154

Callback Control Protocol(CBCP)154

CAL154

callback154

Carnivore155

capture window155

CAN155

CAP155

capture155

carrier156

CARP156

Carrier Sense Multiple Access with Collision Avoidance(CSMA/CA)157

Carrierless amplitude and phase modulation(CAP)157

cascading style sheets(CSS)158

cascaded star topology158

Carrier Sense Multiple Access with Collision Detection(CSMA/CD)158

carrier signal158

Category 1(Cat1)cabling159

catalog159

Cat5 cabling159

Cat5e cabling159

Cat6 cabling159

Cat7 cabling159

Category 4(Cat4)eabling160

Category 3(Cat3)cabling160

Category 2(Cat2)cabling160

Category 6(Cat6)cabling161

Category 5(Cat5)cabling161

CDDI162

CBT162

Category 7(Cat7)cabling162

CBCP162

CBQ162

CDMA 2000163

CDMA163

CDE163

CDF163

CDF file163

CDFS163

CD-ROM File System(CDFS)164

CDPD164

cdmaOne164

CDN164

CDO164

CDP164

cell(Cellular communications)165

cell(ATM)165

CDSL165

Cellular Digital Packet Data(CDPD)166

cellular communications167

central office(CO)169

certificate mapping170

certificate authority(CA)170

Centrex170

certificate170

certificate revocation list(CRL)171

certificate request171

challenge/response172

Challenge Handshake Authentication Protocol(CHAP)172

Certified Technical Education Center(CTEC)172

CGI172

channel bank173

channel(Active Channel)173

Change and Configuration Management173

channel(Microsoft Windows Media Player)174

channel Definition Format(CDF)174

channel bar174

Channel Service Unit/Data Service Unit(CSU/DSU)175

Channel Service Unit(CSU)175

CIM Object Manager(CIMOM)176

CIM176

CHAP176

child domain176

CICS176

CIDR176

CIFS176

circuit layer proxy177

circuit177

CIMOM177

CIP177

CIR177

circuit-switched services178

circuit-level gateway178

Class A179

class179

circular logging179

Class C180

class-based queuing(CBQ)180

Class B180

classful routing protocol181

classful domain181

Class D181

Class E181

classless domain182

Classic desktop182

Classical IP(CIP)182

classless interdomain routing(CIDR)183

cleartext184

CLB184

classless routing protocol184

client access license(CAL)185

client185

cleartext authentication185

ClearType185

CLEC185

Client for Microsoft Networks186

client certificate186

Client Services for NetWare(CSNW)187

client/server187

Client for NetWare Networks187

client installation point187

cloud188

clustering189

cluster-aware application189

cluster189

coaxial cabling191

coax191

CMAK191

CMP cabling191

CN191

CNAME record191

CNRP191

CO191

Code Division Multiple Access(CDMA)192

codec192

code-operated switch193

Multiplexing(COFDM)193

Coded Orthogonal Frequency Division193

Cold Fusion194

cold boot194

COFDM194

collision195

collapsed backbone195

Collaboration Data Objects(CDO)195

COM component object196

COM+196

collision domain196

COM196

command line197

command interperter197

command197

Commited Information Rate(CIR)198

commercial service provider(CSP)198

command prompt198

Commerce Server 2000198

Common Gateway Interface(CGI)199

Common Desktop Environment(CDE)199

Common Internet File System(CIFS)200

Common Information Model(CIM)200

Common Object Request Broker Architecture(CORBA)201

Common Name Resolution Protocol(CNRP)201

Competitive Local Exchange Carrier(CLEC)202

community202

Component Load Balancing(CLB)204

complete trust model204

Component Object Model(COM)205

Computer Browser service206

computer account206

CompTIA206

Computer Management207

COMTI208

Computing Technology Industry Association(CompTIA)208

computer name208

computer-telephony integration(CTI)208

connectionless protocol209

connection209

COM Transaction Integrator(COMTI)209

concurrency209

connected network(CN)209

connectoin pooling210

connection-oriented protocol210

Connection Manager Administration Kit(CMAK)210

connector(device)211

connectivity server211

connector(Microsoft Exchange)212

Connector for Lotus Notes212

Connector for Lotus cc:Mail212

Content Analyzer213

Content Advisor213

Consumer DSL(CDSL)213

container(Active Directory)213

container(Microsoft Management Console)213

container(NTFS)213

content delivery network(CDN)214

content caching214

contention215

content filter215

Content Delivery Provider(CDP)215

Control Panel216

control message216

content rating216

control set217

copper cabling218

cookie218

convergence218

Core-Based Trees(CBT)219

CORBA219

Copper Distributed Data Interface(CDDI)219

copy backup219

copying files219

country code220

counter220

credentials222

Creator Owner222

coupler222

CPE222

CRC222

CrytoAPI223

crosstalk223

crimper223

CRL223

CRM223

crossover cable223

CSNW224

CSMA/CD224

Cryptographic Message Syntax Standard224

cryptography224

CSMA/CA224

custom authentication225

Ctrl+Alt+Delete225

CSP225

CSP(commercial service provider)225

CSS225

CSU225

CSU/DSU225

csv file225

CTEC225

CTI225

Customer Relationship Management(CRM)226

customer premises equipment(CPE)226

Customer Information Control System(CICS)226

customer premises226

cyclical redundancy check(CRC)227

custom recipient227

DAO228

D-AMPS228

D228

DAB228

DACL228

daemon228

daily copy228

Data Access Objects(DAO)229

dark fiber229

DAP229

database230

data alarm230

data communications equipment(DCE)231

database owner(DBO)231

data integrity232

datagram232

Data Encryption Standard(DES)232

Data Link Control(DLC)233

data line protector233

data isolator233

data-link layer234

Data Over Cable Service Inter face Specification(DOCSIS)235

Data Manipulation Language(DML)235

Data Service Unit(DSU)236

Data Provider236

data tap237

Data Space Transfer Protocol(DSTP)237

data source name(DSN)237

DB connector238

DAWS238

data terminal equipment(DTE)238

DCOM239

D channel239

DBO239

DCE239

dead spot240

DDS(Digital Data Storage)240

DCOM Configuration Tool240

DDNS240

DDoS240

DDR(Demand-Dial Routing)240

DDR(Dial-on-Demand Routing)240

DDS(digital data service)240

dedicated line241

DECnet241

decibel241

default gateway242

Dedicated Token Ring(DTR)242

delegation243

defragmentation243

Defense Messaging System(DMS)243

demand priority244

Demand-Dial Routing(DDR)244

Delegation of Control Wizard244

denial of service(DoS)245

DEN245

demarc245

demilitarized zone(DMZ)245

dense mode247

desktop248

DES248

dense wavelength division multip lexing(DWDM)248

destination address249

Desktop Management Interface(DMI)249

DHCP client reservation250

DHCP client250

device250

Dfs250

DHCP250

DHCP options251

DHCP lease251

DHCP Client service251

DHCP console251

DHCP relay agent252

DHCP Server service253

DHCP server253

DHCP scope253

differential backup254

DID254

DHTML254

Dial-on-Demand Routing(DDR)254

dial-up line254

Digital Advanced Mobile Phone Service(D-AMPS)255

digital255

Differentiated Services(DS)255

Diffie-Hellman(DH)255

Digital Audio Broadcasting(DAB)256

digital certificate256

Digital Advanced Wireless System(DAWS)256

Digital Data Service(DDS)257

Digital Dashboard257

digital line258

Digital Data Storage(DDS)258

Digital Signal Zero259

digital nervous system259

Digital Linear Tape(DLT)259

digital modem259

digital signature260

Digital Subscriber Line(DSL)261

direct burial fiber-optic cabling265

DIME265

Digital Subscriber Line Access Multiplexer(DSLAM)265

digital transmission265

directed packet266

directed frame266

Direct Cable Connection266

directory267

direct inward dialing(DID)267

Direct Internet Message Encapsulation(DIME)267

Directory Enabled Network(DEN)269

directory database269

Directory Access Protocol(DAP)269

directory hierarchy270

directory export270

directory replication(Windows NT)271

directory replication(Windows 2000 and Windows.NET Server)271

directory import271

directory service log272

Directory Service Migration Tool(DSMigrate)273

Directory Service Markup Language(DSML)273

Directory Service Manager for NetWare(DSMN)273

direct sequencing274

Direct Sequence Spread Spect rum(DSSS)274

directory synchronization(Microsoft Mail)274

directory synchronization(Windows NT)274

disaster recovery275

discretionary access control list(DACL)276

discrete multitone(DMT)276

disk mirroring277

disk imaging277

disk duplexing277

disk quotas278

Diskperf command278

distance vector routing algorithm279

(DVMRP)279

disk status279

Distance Vector Multicast Routing Protocol279

distance vector routing protocol280

distributed application281

distinguished name(DN)281

Distributed Denial of Service(DDoS)282

distributed computing282

Distributed Component Object Model(DCOM)282

Distributed Management Task Force(DTMF)284

Distributed file system(Dfs)284

distribution server285

distribution list285

distribution box285

distribution group285

DNS client286

DNS286

DLC286

DLL286

DLT286

DMI286

DML286

DMS286

DMT286

DMTF286

DMZ286

DN286

DNA286

DNS namespace287

DNS datahase287

DNS console287

DNS Security Extensions(DNSSEC)288

DNSSEC288

DNS query288

DNS server289

document type definition(DTD)290

Document Object Model(DOM)290

DOCSIS290

domain blocking291

Domain Admins291

DoD model291

DOM291

domain controller292

Domain Guests293

domain forest293

domain(DNS)293

domain(Microsoft Windows)294

domain master browser294

domain local group294

domain modes295

domain model295

domain name296

Domain Name System(DNS)297

domain tree299

down300

DOS300

domain user account300

Domain Users300

DoS300

DS-0301

DS301

drain wire301

drop301

drop cable301

Dr.Watson301

DS-3302

DS-1302

DTMF303

DTE303

DSL303

DSLAM303

DSMigrate303

DSML303

DSMN303

DSN303

DSSS303

DSTP303

DSU303

DTD303

dynamic disk304

DWDM304

DTR304

dual boot304

Dual Tone Multiple Frequency(DTMF)304

duplex304

DVMRP304

dynamic DNS(DDNS)305

Dynamic Host Configuration Protocol(DHCP)306

dynamic packet filtering307

dynamic-link library(DLL)307

Dynamic HTML(DHTML)307

dynamic routing protocol308

dynamic routing308

dynamic volume309

E-carrier310

ebXML310

E310

EAP310

EBGP310

e-busine310

edge router311

EDGE311

EDGAR311

EFS312

EFI312

EDI312

eDirectory312

effective permissions312

election313

EKP313

EGP(exterior gateway protocol)313

EGP(Exterior Gateway Protocol)313

EIA313

EIA/TIA wiring standards313

EIGRP313

EIP313

EJB313

Eleetronic Data Gathering,Analysis,and Retrieval314

Electronic Business Extensible Markup Language(ebXML)314

electromagnetic interference(EMI)314

electronic data interchange(EDI)315

Electronic Industries Alliance(EIA)316

e-mail317

electronic tape vaulting317

embedded system319

e-mail address319

emergency repair disk(ERD)320

Emergency Management Services(EMS)320

Encapsulating Security Payload(ESP)321

emulation321

emergency startup disk321

EMI321

EMS321

Encrypting File System(EFS)322

encapsulation322

encryption323

encryption algorithm324

Enhanced Data Rates for Global Evolution(EDGE)325

enhanced Category 5(Cat5e)cabling325

End-User License Agreement(EULA)325

Enhanced Interior Gateway Routing Protocol(EIGRP)326

Enterprise Information Portal(EIP)327

Enterprise Admins327

enterprise327

Enterprise Knowledge Portal(EKP)328

Enterprise Java Beans(EJB)328

enterprise resource planning(ERP)329

environmental subsystems330

enterprise server330

Ethernet331

EtherLEC331

environment variables331

ERD331

ERP331

ESMTP331

ESP331

Ethernet switch334

Ethernet/IP334

Ethernet address334

Ethernet Industrial Protocol(Ethernet/IP)334

ETRN337

Exchange Server338

Everyone group338

EULA338

e-vaulting338

event338

extended partition339

experience339

Extensible Authentication Protocol(EAP)340

extender340

Extended Turn(ETRN)340

exterior gateway protocol(EGP)341

Exterior Border Gateway Protocol(EBGP)341

Extensible Firmware Interface(EFI)341

Extensible Markup Language(XML)341

extension cable341

Extranet342

exterior routing protocol342

Exterior Gateway Protocol(EGP)342

failover344

failback344

F344

Fast Ethernet345

FAQ345

fallback swicher345

FAT32347

FAT347

FDDI Token Passing348

FDDI348

FAT volume348

fault tolerance348

FCC348

Fiber Distributed Data Interface(FDDI)349

FHSS349

FDM349

FDMA349

Federal Communications Commission(FCC)349

Federal Information Processing Standard(FIPS)349

fiber exhaust351

fiber-optic cabling352

fiber to the curb(FTTC)354

Fibre Channel355

File and Printer Sharing for Microsoft Networks357

file allocation table(FAT)357

file357

File and Print Services for NetWare(FPNW)358

File and Print Services for Macintosh(FSM)358

File and Printer Sharing for NetWare Networks358

file permissions359

file extension359

file system360

File Transfer Protocol(FTP)361

File-Transfer Access and Management(FTAM)361

FIPS362

finger362

Find362

firewall363

flapping366

FireWire366

flow control367

flooding367

flexible single-master operation(FSMO)367

foreign host368

folder permissions368

forwarder369

form369

foreign mail system369

forest369

frame relay370

frame370

FORTEZZA370

FPNW370

FQDN370

fractional T1370

FRAD370

Frame Relay Access Device(FRAD)375

Free Space Optics(FSO)376

frame type376

frame relay cloud376

frame tagging376

Frequency Division Multiple Access(FDMA)377

Frequency Hopping Spread Spectrum(FHSS)378

frequency hopping378

frequency-division multiplexing(FDM)378

FTP service379

FTP379

frequently asked questions379

FSM379

FSMO379

FSO379

FTAM379

full-duplex Ethernet380

full-duplex380

FTTC380

full backup380

Fusion381

fully qualified domain name(FQDN)381

Gateway Service for NetWare(GSNW)382

gateway382

G382

G.703382

GBIC383

GbE383

General Packet Radio Service(GPRS)384

gender changer384

Gigabit Ethernet(GbE)386

Gigabit Interface Converter(GBIC)389

Global.asa390

G.LiTe390

global group391

global catalog server391

global catalog391

global load balancer392

Global System for Mobile Communications(GSM)393

globally unique identifier(GUID)393

GNU General Public License(GPL)395

GNOME395

global user account395

Gopher396

GNU Object Modeling Environrnent(GNOME)396

ground loop397

grep397

GPL397

GPRS397

group398

Group Policy399

group account399

Guests group400

Guest account400

GSM400

GSNW400

GUID401

H.323402

H402

hacking403

H.323 gateway403

Hailstorm404

handheld405

HAN405

HAL405

half-duplex405

handshaking406

Handheld Device Markup Language(HDML)406

hardware abstraction layer(HAL)407

hashing algorithrn408

hardware profile408

hardware address408

Hardware Compatibility List(HCL)408

heartbeat409

header409

HBA409

H channel409

HCL409

HDLC409

HDML409

HDSL409

Hierarchical Storage Management(HSM)410

hidden share410

Help410

heterogeneous network410

High-bit-rate Digital Subscriber Line(HDSL)411

High-level Data Link Control(HDLC)413

High-Performance Parallel Interface(HIPPI)414

High Performance File System(HPFS)414

High-Speed Token Ring(HSTR)415

High-Speed Serial Interface(HSSI)415

High-Speed Circuit Switched Data(HSCSD)415

History416

HIPPI416

HiperLAN/2416

H-node417

hive417

HomeRF418

home folder418

home area network(HAN)418

honey pot419

homogeneous network419

hood420

horizontal cabling421

hop count421

host bus adapter(HBA)422

host422

Host Integration Server423

host ID423

Host Data Replicator423

host header name423

host name resolution424

host name424

host file425

host routing425

Hot Standby Router Protocol(HSRP)426

hotfix426

hot426

HTML427

HSTR427

HPFS427

HP-UX427

HSCSD427

HSM427

HSRP427

HSSI427

HTTPS428

HTTP Keep-Alives428

HTMLA428

HTML-based administration(HTMLA)428

HTML Extension(HTX)428

HTTP428

hub429

HTX429

HTTP status code429

Hypertext Markup Language(HTML)431

HyperTerminal431

HybridAuth431

Hypertext Transfer Protocol(HTTP)433

ICMP Traceback Messages435

ICMP435

I435

I2O435

IAB435

IAD435

IANA435

IB435

IBGP435

ICA435

iCal435

ICANN435

ICF435

ICQ436

ICP(Internet Cache Protocol)436

ICP(integrated communications provider)436

IEEE 1284437

IEEE 802 standards437

IDS437

IDSL437

IE437

IEAK437

IEEE437

IEEE 488437

IIS Object Cache438

IIS438

IEEE 1394438

IETF438

iFS438

IGMP438

IGP438

IGRP438

IIOP438

impedance439

i-mode439

IISP439

IKE439

IL439

ILEC439

ILS439

IM439

IMA439

IMAP4439

in-band signaling440

in-addr.arpa440

impersonation440

IMT-2000440

IMUX440

Incumbent Local Exchange Carrier(ILEC)441

incremental zone transfer441

incremental backup441

Independent Computing Architecture(ICA)442

Infiniband(IB)443

index443

infrared transmission444

Infrared Data Association(IrDA)444

inheritance445

infrastructure445

instant messaging(IM)446

instance446

INI files446

Institute of Electrical and Electronics Engineers(IEEE)447

integrated communications provider(ICP)448

Integrated Access Device(IAD)448

Integrated Services Digital Network(ISDN)449

Intelligent Input/Output(I2O)452

intelligent hub452

Integrated Windows Authentication452

Intel-based platform452

interactive logon453

Interactive453

IntelliMirror453

interface454

inter-exchange carrier(IXC)454

interface converter455

interface card455

Interior Border Gateway Protocol(IBGP)456

Interim Interswitch Signaling Protocol(IISP)456

interference456

Interior Gateway Routing Protocol(IGRP)457

interior gateway protocol(IGP)457

Intermediate Language(IL)458

intermediary device458

interior routing protocol458

International Organization for Standar dization(ISO)459

International Mobile TelecommunicationS-2000(IMT-2000)459

Internet460

International Telecommunication Union(ITU)460

Internet2461

Internet Assigned Numbers Authority(IANA)462

Internet Architecture Board(IAB)462

Internet access462

Internet Control Message Protocol(ICMP)463

Internet Connection Firewall(ICF)463

Internet Cache Protocol(ICP)463

Internet Engineering Task Force(IETF)464

Internet Corporation for Assigned Names and Numbers(ICANN)464

Internet Explorer Administration Kit(IEAK)465

Internet Explorer465

Internet Group Management Protocol(IGMP)466

Internet File System(iFS)466

Internet Information Services(IIS)467

Internet guest account467

Internet Mail Access Protocol version 4(IMAP4)468

Internet Locator Service(ILS)468

Internet Inter-Orb Protocol(IIOP)468

Internet Key Exchange(IKE)468

Internet Protocol(IP)469

Internet Printing Protocol(IPP)469

Internet protocols470

Internet Protocol Security(IPsec)471

Internet Security and Acceleration Server(ISA Server)472

Internet Research Fask Force(IRTF)472

Internet Relay Chat(IRC)472

Internet Society(ISOC)473

Internet service provider(ISP)473

Internet Server API(ISAPI)473

Internetwork Operating System(IOS)474

internetwork474

Internetwork Packet Exchange(IPX)475

Inter-Switch Link(ISL)476

interprocess communication(IPC)476

intrusion detection system(IDS)477

intranet477

inverse multiplexing478

inverse multiplexer(IMUX)478

IOS479

inverse query479

Inverse Multiplexing over ATM(IMA)479

IP/ATM480

IP address480

IP480

IP PBX481

IPP481

IPC481

Ipconfig481

IP Fax481

IPng481

IP over ATM481

IP telephony482

IP storage482

IPsec482

IPX/SPX-Compatible Protocol483

IPX483

IPv4483

IPv6483

ISAPI484

IRTF484

IRC484

IrDA484

IrDA Control484

IrDA Data484

Irix484

iSCSI485

ISA Server485

ISAPI extension485

ISAPI filter485

ISDN router486

ISDN fallback adapter486

ISDN486

ISDN Digital Subscriber Line(IDSL)486

ISM487

ISL487

ISDN terminal adapter487

IXC488

ITU488

ISO488

ISOC488

isoEthernet488

ISP488

iterative query488

itrace488

jacket489

jack489

J489

jabber489

Java490

jam signal490

JavaScript492

Java Online Analytical Processing(JOLAP)492

Java Database Connectivity(JDBC)492

Java Server Pages(JSP)493

Jini494

Jet494

JBOD494

JDBC494

JOLAP495

Joint Engine Technology(Jet)495

jitter495

join495

JSP496

JScript496

JXTA497

jumbo frames497

Kerberos498

keepalives498

K498

KCC498

KDE498

K Desktop Environment(KDE)498

kemel mode500

kemel500

Keyboard Video Mouse(KVM)switch501

keyboard emulator501

key(cryptography)502

key(registry)503

key pair503

key(database)503

key management503

KVM switch504

Knowledge management(KM)504

KM504

Knowledge Consistency Checker(KCC)504

LAN Emulation(LANE)505

LANE505

L505

L2CAP505

L2F505

L2TP505

L2TP/lpsec505

LADC505

lambda switching505

LAN505

LAN-host integration506

LAN segment507

LAN security switch507

late collision508

LATA508

LAN switch508

LAPD508

Last Known Good configuration508

Layer 2 Forwarding(L2F)509

latency509

Layer 2 switch510

Layer 2 Tunneling Protocol(L2TP)511

Layer 3 switch512

Layer 4 switch515

Layer7 switch516

Layer4＋switch516

leased line517

LDAP517

LCP517

license518

LEC518

Lightweight Directory Access Protocol(LDAP)519

Linear Tape Open(LTO)521

line coding522

line booster522

line driver524

line conditioner524

Line Printer Daemon(LPD)525

line filter525

Line Printer Queue(LPO)526

line sharer527

Line Printer Remote(LPR)527

Link Access Protocol,D-channel(LAPD)528

line sharing528

Link Control Protocol(LCP)529

link aggregation529

link state routing algorithm530

Linux531

lmhosts file533

LMDS533

list server533

LLC layer533

load balancing534

local address535

Local Access and Transport Area(LATA)535

local area network(LAN)536

Local Area Data Channel(LADC)536

local group537

local exchange carrier(LEC)537

Local Multipoint Distribution Service(LMDS)538

local loop538

localhost538

LocalTalk539

LocalSystem539

local network539

Local Users and Groups540

local user profile540

local user account540

log541

locking541

logon542

logoff542

Logical Link Control and Adaptation Layer Protocol(L2CAP)542

logical link control layer(LLC)542

Long Reach Ethernet(LRE)543

long packet error543

logon script543

loopback544

loop544

LTO545

LRE545

loopback address545

LPD545

LPQ545

LPR545

Macintosh546

MAC address546

M546

mailslot547

mail client547

MAC layer547

MADCAP547

mainframe548

mail system548

Management Information Base(MIB)549

MAN549

Management Information Format(MIF)550

Manchester coding551

Management Service Provider(MSP)551

manual switch552

mandatory user profile552

markup language553

mapped network drive553

MAPI553

master browser554

master boot record(MBR)554

master station555

master name server555

master domain555

master index555

MAU556

matrix switch556

media557

MDHCP557

MBone557

MBR557

MBS557

MBSP557

MCP557

MCS557

MDA557

MDAC557

media access control method558

media access control(MAC)layer558

media converter559

Megaco560

media-dependent adapter(MDA)560

mesh topology561

member server561

Message Tracking Query Protocol(MTQP)562

message digest(MD)algorithms562

message562

metabase563

Messaging Application Programming Interface(MAPI)563

metadirectory564

metropolitan Ethernet565

metropolitan area network(MAN)565

metasearching565

Microsoft Certified Partner567

microkernel567

MExE567

MFC567

MFR567

MIB567

Microsoft Certified Professional(MCP)568

microsoft.com569

Microsoft Challenge Handshake Authentication Protocol(MS-CHAP)569

Microsoft Consulting Services(MCS)571

Microsoft Corporation572

Microsoft Developer Network(MSDN)573

Microsoft Data Access Components(MDAC)573

Microsoft Disk Operating System(MS-DOS)574

Microsoft Management Console(MMC)575

Microsoft Foundation Classes(MFC)575

Microsoft Office User Specialist(MOUS)576

Microsoft Market576

Microsoft Research(MSR)577

Microsoft RAS Protocol577

Microsoft Official Curriculum(MOC)577

Microsoft Operations Framework(MOF)577

Microsoft Windows578

Microsoft Technology Center(MTC)578

Microsoft Solutions Framework(MSF)578

middleware579

mirrored volume580

MIME580

MIF580

Millennium580

mirror set581

mirroring581

M-node582

MMDS582

mixed mode582

MLP582

MLS582

MMC582

Mobile Services Initiative(M-Services)583

Mobile Information Server583

Mobile Broadband System(MBS)583

Mobile Execution Environment(MExE)583

modem584

MOC584

Mobile Transport Serving Office(MTSO)584

modem sharing585

modem eliminator585

modulation586

MP587

Mozilla587

MOF587

MOSPF587

MOUS587

moving files587

MSR588

MSF588

MPLS588

MPOA588

MPPP588

MSAU588

MS-CHAP588

MSDN588

MS-DOS588

MS-DOS mode588

M-Services588

MSP588

multicasting589

Multicast Dynamic Host Configuration Protocol(MDHCP)589

MTC589

MTQP589

MTSO589

MTU589

Multicast Address Dynamic Client Allocation Protocol(MADCAP)589

multicast routing591

Multicast Open Shortest Path First(MOSPF)591

multihoming592

multicast routing protocol592

Multilayer Switching(MLS)593

Multilink Point-to-Point Protocol(MPPP)594

Multilink Frame Relay(MFR)594

multimaster replication595

multimode fiber-optic cabling596

Multiple Virtual Storage(MVS)597

multiple master domain model597

multiplexer(MUX)598

Multipoint Multichannel Distribution Service(MMDS)599

multipoint599

multiplexing599

Multiprotocol Label Switching(MPLS)600

multiport repeater600

Multipurpose Internet Mail Extensions(MIME)601

Multiprotocol over ATM(MPOA)601

Multistation Access Unit(MAU or MSAU)602

multiservice switch602

MVS604

MUX604

multitasking604

Multitenant Broadband Service Provider(MBSP)604

multitenant unit(MTU)604

My Network Places605

My Documents605

MX record605

My Computer605

name lookup607

named pipe607

N607

Nagle's algorithm607

name server608

name resolution608

namespace609

naming convention610

naming context610

National Institute of Standards and Technology(NIST)611

National Electric Code(NEC)611

NAP611

NAPT611

NAS(network access server)611

NAS(Network attached storage)611

NAT611

NCP(Network Control Protocol)612

Ncp(Netware Core Protocol)612

native mode612

NBF612

NBNS612

Nbtstat612

.NET613

NEC613

NDIS613

NDS613

near-end crosstalk(NEXT)613

NetBIOS614

NetBEUI Frame(NBF)614

NetBEUI614

NetBIOS Name615

NetBIOS Extended User Interface(NetBEUI)615

NetBIOS Name resolution616

NdBIOS over TCP/IP(NetBT)617

NetBIOS Name Server(NBNS)617

NetBIOS scope ID618

NetBIOS over TCP/IP node types618

Net commands619

NetBT619

.NET Framework620

.NET experience620

.NET Enterprise Servers620

.NET platform621

NetLogon Share621

NetWare Core Protocol(NCP)622

NetWare622

netstat622

NetWare Protocol623

NetWare Directory Services(NDS)623

network624

network access server(NAS)625

Network Access Point(NAP)625

network address translation(NAT)626

network adapter card626

network architecture628

network client629

network attached storage(NAS)629

network design630

Network Control Protocol(NCP)630

Network Client 3 for MS-DOS630

network driver interface specification(NDIS)632

Network File System(NFS)633

network interface card(NIC)634

Network Information System(NIS)634

network ID634

network layer635

network management636

Network News Transfer Protocol(NNTP)638

Network Monitor638

network probe639

network operating system(NOS)639

network numbers639

network security640

network protocol640

Network Termination Unit(NTU)641

Networks file641

network service type641

network troubleshooting642

network transmission method642

Network Time Protocol(NTP)642

newsfeed643

network utilization643

NIST644

NIS644

newsgroup644

NEXT644

Next Generation I/O(NGIO)644

NFS644

NGIO644

NIC644

Novell Directory Services(NDS)645

NOS645

NNTP645

node645

noise645

normal backup645

NTFS file system(NTFS)646

NTFS646

Nslookup646

NS record646

NTFS permissions(Windows 2000、Windows XP and Windows.NET Server)647

NTFS permissions(Windows NT)649

NTFS special permissions(Windows 2000、Windows XP and Windows.NET Server)650

NTLM protocol651

NTFS special permissions(Windows NT)651

NWLink IPX/SPX-Compatible Transport(NWLink)652

NWLink652

NTP652

NTU652

NTVDM652

NT Virtual DOS Machine(NTVDM)652

null modem cable652

object(Active Directory)654

OASIS654

O654

object linking and embedding(OLE)655

object idenfifier(OID)655

offline browsing656

OFDM656

object(programming)656

OBM656

OCSP656

OC-x656

ODBC656

ODI656

OLE DB657

OLE657

Offline Files657

OID657

OLAP657

Online Certificate Status Protocol(OCSP)659

online analytical processing(OLAP)659

OLEDB for OLAP659

open database connectivity(ODBC)660

OpenBSD660

OnNow660

OOB660

Open Shortest Path First(OSPF)661

Open Data-link Interface(ODI)661

open source663

Open Systems Interconnection(OSI)reference model664

optical carrier(OC-x)level665

opto isolator666

optical networking666

optical Ethernet666

organizational unit(OU)667

Orange Book667

OSPF669

OSI model669

Organization for the Advancement of Structured Information Systems (OASIS)669

Orthogonal Frequency Division Multiplexing(OFDM)669

OS/2669

out-of-band management(OBM)670

Outlook Express670

OSX670

OU670

Outlook670

out-of-band(OOB)signaling671

owner672

outsourcing672

P2P673

P673

packet assembler/disassembler(PAD)674

packet674

P3P674

package674

packet filtering675

packet switching677

packet forwarding677

packet-switching services678

parent domain679

parallel transmission679

PAD679

PAN679

PAP679

passive optical network(PON)680

passive hub680

parity information680

partition(Active Directory)680

partition(disk)680

pass-through authentication681

passive termination681

Password Authentication Protocol(PAP)682

password682

patch panel683

patch cable683

PASTE683

PAT683

pathping684

path684

peer server685

PDC685

PBX685

PCM685

PCS685

PCT685

PDA685

permanent virtual circuit(PVC)686

Perl686

peer-to-peer network686

PEM686

perimeter network686

permissions687

Personal Communications Services(PCS)688

Personal Area Network(PAN)688

persistent connection688

physical layer689

physical address689

Personal Digital Assistant(PDA)689

PGP689

PHP689

PKCS#7690

PKCS690

piconet690

PIM-DM690

PIM-SM690

ping690

Platform for Privacy Preferences(P3P)691

Plain Old Telephone Service(POTS)691

PKCS#12691

PKI691

Plug and Play(PnP)692

plenum cabling692

pointer(PTR)record693

PnP693

P-node693

point-to-point694

point-to-multipoint694

point of presence(POP)694

Point-to-Point Protocol(PPP)695

POP696

PON696

Point-to-Point Tunneling Protocol(PPTP)696

polyvinyl chloride(PVC)cabling696

port number697

portal697

POP3697

port697

Post Office Protocol version 3(POP3)698

postoffice698

POSIX698

POST698

PPTP699

PPP Multilink699

POTS699

power-on self test(POST)699

Power Users group699

PPP699

Pretty Good Privacy(PGP)700

presentation layer700

Practical Extraction and Reporting Language(Perl)700

premise cabling700

primary partition701

primary name server701

PRI-ISDN701

primary domain controller(PDC)701

printing terminology702

printing pool702

Primary Rate Interface ISDN(PRI-ISDN)702

primary ring702

print server703

print permissions703

Print Operators group703

privacy704

print sharer704

Private Branch Exchange(PBX)705

Privacy Enhanced Mail(PEM)705

private IP address706

Private Communication Technology(PCT)706

protocol707

promiscuous mode707

Project 802707

protocol file708

protocol converter708

(PASTE)709

protocol suite709

Protocol Independent Multicast-Dense Mode(PIM-DM)709

Protocol Independent Multicast-Sparse Mode(PIM-SM)709

proxy server710

proxy cache server710

provisioning710

public key cryptography711

PTR711

P-series protocols711

PSTN711

public key infrastructure(PKI)712

Public Key Cryptography Standards(PKCS)712

Public Switched Telephone Network(PSTN)713

PVC cabling714

PVC714

publishing714

pulse code modulation(PCM)714

Q-series protocols715

QoS Admission Control Service(QoS ACS)715

Q715

QIC715

QoS715

QoS ACS715

quality of service(QoS)716

quartet signaling718

Quarter Inch Cartridge(QIC)718

quota management719

queuing methods719

queue719

rack721

RA721

R721

Recreational Software Advisory Couneil(RSAC)722

RDP722

RADIUS722

RADSL722

RAID722

RAIT722

Rate-Adjusted Digital Subscriber Line(RADSL)722

RBOC722

Rcp722

redundant array of independent disks(RAID)723

redirector723

recursive query723

redirection723

Regional Bell Operating Company(RBOC)725

redundant array of independent tapes(RAIT)725

registry726

registration authority(RA)726

remote access727

remailer727

relative path727

remote administration728

Remote Authentication Dial-In User Service(RADIUS)729

remote client impersonation730

remote bridge730

Remote Network Monitoring(RMON)731

Remote Desktop Protocol(RDP)731

remote control731

repeater733

remote procedure call(RPC)733

reservation734

Request for Comments(RFC)734

replay attack734

resolver735

resilient packet ring(RPR)735

residential gateway735

resource record(RR)736

resource domain736

resource736

reverse proxy737

reverse name lookup737

Resource Reservation Protocol(RSVP)737

reverse hosting737

ring topology738

Rijndael738

Rexec738

RFC738

RG738

RJ connectors739

Rivest-Shamir-Adelman(RSA)algorithm(RSA)739

RIP739

RIPE739

roaming user profile740

RMON740

root name server741

root domain741

root741

root certificate741

router742

route742

routable protocol742

routing744

router routing744

routing algorithm745

Routing Information Protocol(RIP)746

routing interface747

routing protocol748

routing metric748

routing table749

RS-232750

RSA750

RPC750

RPC Ping750

RPR750

RS-422751

runt752

RSVP752

RSAC752

Rsh752

Satellite Internet Backbone(SIBone)753

SATAN753

S753

SACL753

safe mode753

SAM Database753

SAN753

SAP753

SAS753

scripting754

scope754

schema754

SC/ST connector755

SCSI755

secondary ring756

secondary name server756

SDLC756

SDSL756

Secure/Multipurpose Internet Mail Extensiors(S/MIME)757

Secure Hypertext Transfer Protocol(S-HTTP)757

secure attention sequence(SAS)757

secure socket Layer(SSL)758

security759

Security Account Manager(SAM)Database760

security identifier(SID)761

security group761

Security Administrator Tool for Analyzing Networks(SATAN)761

security descriptor761

security provider762

security protocols762

security log762

security principal762

serial encapsulation protocols763

separator page763

segmentation763

serial transmission764

Serial Line Internet Protocol(SLIP)764

serial interface764

server farm765

server-based network765

server765

service766

Server Operators766

serverless backup766

Server Message Block(SMB)766

service pack770

service file770

Service Advertising Protocol(SAP)770

service-level agreement(SLA)770

session initiation protocol(SIP)771

Services for Macintosh771

shared folder permissions772

shared folder772

session layer772

share772

shell774

share-level security774

shared SCSI bus774

Shortest Path First(SPF)775

short775

shielded twisted-pair(STP)cabling775

shielding775

signal776

SID776

Short message Services(SMS)776

S-HTTP776

SIBone776

Simple Mail Transfer Protocol(SMTP)777

signal loss777

signaling777

Simple Network Management Protocol(SNMP)778

Simple Object Access Protocol(SOAP)779

single master domain model780

single domain model780

simple volume780

simplex780

Small Business Server781

SLIP781

single-mode fiber-optic cabling781

Single Sign On(SSO)781

SIP781

SLA781

Small Computer System Interface(SCSI)782

smart card783

snap-in784

SNADS784

SMB784

SMDS784

S/MIME784

SMS(Short Message Services)784

SMS(System Management Server)784

SMTP784

SNA784

socket785

SOA record785

SNA Server785

sniffing785

SNMP785

SOAP785

SOCKS786

spam787

source address787

softswitch787

solid conductor wire787

SONET787

sparese mode788

Spanning Tree Algorithm(STA)788

spanned volume788

spooling789

spoofing789

special identity789

SPF789

SPM789

SQL Server790

SOL790

spread spectrum790

Stackable hubs791

STA791

SSL791

SSO791

SSP791

start of authority(SOA)record792

StarLAN792

stand-alone server792

standard Ethernet792

standards organizations792

star bus topology792

static address793

star topology793

statstical multiplexing(STM)794

static routing794

static mapping794

stop screen795

STM795

STDM795

storage796

storage area network(SAN)797

storage over IP798

STP cabling799

stored procedure799

storage service provider(SSP)799

Structured Query Language(SQL)800

stripe set with parity800

stranded conductor wire800

striped volume800

striped set800

subnetting801

subnet mask801

structured wiring801

subnet801

subtree802

surge protector803

supernetting803

Switched 56804

switch804

SVC804

Switched Multimegabit Data Services(SMDS)805

Symmetric Digital Subscriber Lin(SDSL)806

switched virtual circuit(SVC)806

Synchronous Data Link Control(SDLC)807

sync807

SYN attack807

Synchronous Optical Network(SONET)808

system group809

system access control list(SACL)809

synchronous transmission809

SYN flooding809

System Management Server(SMS)810

system policy810

system log810

system partition810

System Network Architecure(SNA)811

SYSVOL share812

T1813

T813

T1 channel bank815

T.120816

T3816

tape drive817

taking ownership817

TACACS817

tape format818

T-carrier820

TAPI820

tape library820

TCP three-way handshake821

TCP/IP821

TCP821

telco822

TechNet822

TDM822

TDMA822

TDR822

telecommunications services823

Telecommunications Industry Association(TIA)823

Telnet824

Telephony Application Programming Interface(TAPI)824

telecommuting824

terminal825

Terminal Access Controller Access Control System(TACACS)826

terminal server827

terminal emulator827

Terminal Services828

Terminator829

test equipment830

Terrestrial Trunked Radio(Tetra)830

thicknet831

thick coax831

Tetra831

text file831

TFTP831

thin client832

Time Division Multiple Access(TDMA)833

TIA833

thin coax833

thinnet833

time-division multiplexing(TDM)834

Token Ring835

TN5250835

time domain reflectometry(TDR)835

TLD835

TLS835

TN3270835

top-level domai(TLD)837

tracert838

topology838

Transact-SQL839

transaction log839

transaction839

Transmission Control Protocol/Internet Protocol(TCP/IP)840

Transmission Control Protocol(TCP)840

transceiver840

transceiver cable840

Trivial File Transfer Protocol(TFTP)842

tree842

transport layer842

Transport Layer Security(TLS)842

trunking843

tunneling844

T-SHARE844

trust844

twisted-pair cabling845

twinax cabling845

two-way transitive trust846

unattended installation847

UMTS847

U847

UART847

UDA847

UDDI847

UDF(Uniqueness Database File)847

UDF(Universal Disk Format)847

UDFS847

UDP847

ULS847

UM847

unbalanced line848

unattend.txt848

Unified Messaging(UM)849

Unicode849

UNC849

unicasting849

Uniform Resource Locator(URL)850

uninterruptible power supply(UPS)851

Universal Data Access(UDA)852

Universal Asynchronous Receiver/Transmitter(UART)852

Uniqueness Database File(UDF)852

universal group853

Universal DSL853

Universal Description,Discovery,and Integration(UDDI)853

Universal Disk Format(UDF)853

universal serial bus(USB)854

Universal Naming Convention(UNC)854

Universal Mobile Telecom munications System(UMTS)854

Universal Wireless Commu nications(UWC-136)855

UNIX856

UNTX commands857

unshielded twisted-pair(UTP)cabling859

UNIX-to-UNIX copy(UUCP)859

URL switching860

URL860

update sequence number(USN)860

uplink port860

UPN860

UPS860

Usenet861

USB861

User Datagram Protocol(UDP)862

user account862

user mode863

User Locator Service(ULS)863

user-level security863

user principal name(UPN)864

usernarme864

uuencoding865

UUCP865

user profile865

users group865

USN865