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31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition by Allan Johnson

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Day 28. Switching Concepts and Operation

CCENT 100-101 ICND1 Exam Topics

Image Identify basic switching concepts and the operation of Cisco switches.

Key Topics

Today we review the concepts behind switching, including the history of the development of switching, how switching actually works, as well as the variety of switch features. We also review how to access Cisco devices, the basic IOS commands to navigate the command-line interface (CLI), and the details of how configuration files are managed.

Evolution to Switching

Today’s LANs almost exclusively use switches to interconnect end devices; however, this was not always the case. Initially, ...

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