This book also includes lab exercises, which follow a format typical of labs used in networking courses. These labs give you more guidance than do the scenarios. For instance, the scenarios simply state a goal, such as "Configure these three routers to support a full mesh of PVCs," whereas a lab gives you instructions for each step you need to take to configure the network. You simply read the lab instructions, and the lab guides you through the steps required to configure a network based on a stated set of requirements.

As with the scenarios, you can perform these labs on real gear or using the special NetSim build included with the CD that comes with this book. You can also just read through the labs and their solutions if your time is limited, but you might want to at least try to write down the solution before looking at the answer!

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