Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] VCI (Virtual Channel Identifier) velocity velocity of propagation (VOP) vendor guidelines Verify Database Consistency option verifying corporate standards vertical-market software viewing Event Viewer failed login attempts Windows 2000/2003 Windows NT 4.0 permissions printing statistics Virtual Channel Identifier (VCI) virtual LAN [See VLANs (virtual LANs).] Virtual Path Identifier (VPI) Virtual Private Networks [See VPNs (Virtual Private Networks).] viruses occurrence of infections virus-checking applications Vista (Windows) VLANs (virtual LANs) 2nd 3rd explicit tagging IEEE switch standards implicit tagging MAC addresses port-based protocol rule-based switches 2nd topologies VMS (Virtual Memory System) VOP (velocity of propagation) VPI (Virtual Path Identifier) VPNs (Virtual Private Networks) 2nd 3rd 4th 5th APs protocols AH ESP IKE IPSec L2TP PPTP RAS routers, selecting Security tab support for, determining troubleshooting connections Windows XP Professional connections Advanced tab creating General tab Networking tab Options tab VRFY command |