... Development.Copyright ©2007 Global Knowledge Training LLC. All rights reserved.Page 11The Case for Virtual Local Area Networks (VLANs)1-800-COURSESwww.globalknowledge.comExpert Reference Series of White PapersIntroductionIn ... hub, networks became more crowded. A solution to the problem was necessary.Figure 2.Hub-Based Twisted Pair EthernetTed Rohling, Global Knowledge Instructor, CISSPThe Case for Virtual Local Area Networks ... Coaxial Cable-Based EthernetTo simplify the installation of Ethernet networks, a change wasmade to the network topology. Networks were converted fromcoaxial cable to twisted pair cabling by...