L

LAN (local area network), 8, 90, 165

access, 39

backbone, 39

cabling, 197-204

network topology and, 189

segment, 8, 9, 12, 40, 43, 191, 291, 572

specifications, 202-3

switch, 216

virtual, 196, 211, 213-15

wireless, 47-48

Layer-3 switching, 213

Lightweight Presentation Protocol (LPP), 36

Line passwords, 113-15

recovering, 173

Link, 220

Link-state routing, 496-99

Load balancing, 585-86

Lock-and-key, 282-83