Need to become CompTIA Network+ certified? Join certified instructor Bill Ferguson in Virtual Training Company's CompTIA Network+ Certification tutorial as he shows you everything you need to know to take and pass the test. He begins by introducing you to the OSI (Open Systems Interconnect) model, then explains how network adapters allow computers to communicate, the relation between the topologies and technologies of networks, and how to control network traffic. Other topics he covers include remote connectivity, tools used for troubleshooting both hardware and software, and how to protect your network with Firewalls. Learn all you need to know for CompTIA Network+ Certification now by simply click one of the topics below.