V Variable Length Subnet Masks (VLSM), 66, 92, 111, 113–115, 119–120, 124, 164, 175, 252 comparison See Classless Inter-Domain Routing Variable-length masks, 139 Variable-length subnet, 167 VAT See Visual Audio Tool Vector, 149 VERS field, 53, 212 Version number, 54 VINES (Banyan), Virtual circuit switching, 27 Virtual link, 194, 195 Visual Audio Tool (VAT), 305 VLSM See Variable Length Subnet Masks VMS operating system, W WAN See Wide Area Network Web See World Wide Web Well-known port numbers, 279 WGs See Working Groups WHOIS command, 342–343 Wide Area Network (WAN), 7, 144, 202, 359, 398, 412, 456 links, 192, 196, 303, 398 protocol, 38 Wildcard filter type, 465 Window management, 293–295 Working Groups (WGs), 31 World Wide Web (WWW / Web), 16–20 browser, 28 capabilities, 24 page, 17, 18 programming, WWW See World Wide Web X X.25, 7, 49, 52, 180, 234 Xerox documentation, 161 Xerox Network System (XNS), 6, 7, 43, 154, 157, 158, 165, 291 XNS See Xerox Network System Z Zones, 328, 329, 332 Previous Table of Contents Next ... command, 342–343 Wide Area Network (WAN), 7, 144, 202, 3 59, 398 , 412, 456 links, 192 , 196 , 303, 398 protocol, 38 Wildcard filter type, 465 Window management, 293 – 295 Working Groups (WGs), 31... Wide Web X X.25, 7, 49, 52, 180, 234 Xerox documentation, 161 Xerox Network System (XNS), 6, 7, 43, 154, 157, 158, 165, 291 XNS See Xerox Network System Z Zones, 328, 3 29, 332 Previous Table... 66, 92 , 111, 113–115, 1 19 120, 124, 164, 175, 252 comparison See Classless Inter-Domain Routing Variable-length masks, 1 39 Variable-length subnet, 167 VAT See Visual Audio Tool Vector, 1 49 VERS