Index_V

V

vampire taps, 22, 22, 555

VDMs (Virtual DOS Machines), 228

VDSL (Very High Data-Rate Digital Subscriber Line), 325

ventilation, 264

version field, 114

versions, Macintosh OS, 237–240, 238, 240

Very High Data-Rate Digital Subscriber Line (VDSL), 325

VG LAN standards, 30

virtual COM ports, 318–319, 555

Virtual DOS Machines (VDMs), 228

Virtual LANs (VLANs), 151, 555

virtual private networks (VPNs), 72, 555

with L2TP, 372

with PPTP, 334–335, 334–335

virus engines, 438, 555

viruses, 556

scanning for, 439–441

in troubleshooting, 498

types of, 436–437

updating protection for, 437–439

VLANs (Virtual LANs), 151, 555

voltage indicators in UPSs, 418

volume, 556

volumes, disk, 420, 556

VPNs (virtual private networks), 72, 555

with L2TP, 372

with PPTP, 334–335, 334–335