Step 3: Hands-On Practice
Although this book gives you many configuration checklists, specific configuration examples, examples of output, and explanations for the meaning of that output, there is no substitute for hands-on practice. This short section provides a few suggestions regarding your efforts to practice from the command-line interface (CLI).
First, most people use one or more of the following options for hands-on skills:
Real gear: Either purchased (often used), borrowed, or rented
Simulators: Software that acts like real gear
Emulators: ...
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