index_E

E

ECMA (European Computer Manufacturers' Association), 10

EDFA (Erbium Doped Fiber Amplifier) 6263

EIGRP (Enhanced IGRP), 452

electricity, 287290

electromagnetic signals, 527

electronic forms (e-forms), 406

electrostatic discharge (ESD), 290295

e-mail, 382400. See also mail-enabled applications

basics of, 218, 386391

format for, 382383

intelligent e-mail, 405406

Internet and, 382

MIME and, 386, 391397, 557

overview of, 382383

programs for, 260, 389390

protocols for, 389390

remote, 152

security and, 262263, 555559

SMTP and, 384386

spam and, 555, 558

threaded conversation databases and, 408412

viruses and, 555, 558

X.400 messaging and, 260263

e-mail servers, 377, 382384

encoding, 24

encryption, 530, 534, 556558, 579

enterprise networks, 471, 472

ESI (Edge Side Includes), 417422

ESP (Encapsulating Security Payload), 184, 533, 534, 599

Ethernet

access method, 103104

cabling, 279282

collisions, 103105

description of, 103104

Fast (100BaseT), 111115, 281

frame types, 106110

full-duplex mode, 436437

high-speed ports and, 437

loops , 115116

network wiring hubs and, 336337

PPP over, 138139

shared/dedicated 10Mbps ports and, 435437

switching, 434437

thin (10Base2), 279

troubleshooting, 500504

Ethernet II, 107109

Ethernet in the Local Loop, 115119