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Cisco IOS Software releases are organized into what Cisco calls "families" and "families. You can also use Cisco Learning Credits to purchase exams. However, candidates must recertify to extend their certification status for another three years. Ethernet crossover cable are used to send as well as receive data by enabling complex data transfers between computers, routers, and networks. Step 7 -The Cisco Packet Tracer installation is complete and the following screen is displayed. Simulation mode also reduces teacher presentation time by replacing whiteboards and static slides with live visuals. Network Infrastructure Implementation - What You Need to KnowThe key is to have a plan before you start implementing your network infrastructure. This "e-doing" ability is an important part of learning how to configure routers and switches. Invest in Cisco Certified TrainingSpeaking of resources, newer web tools are indeed capable of introducing a whole new level of automation.