CCNA/CCNP preparation notes

by Andreas Ryf

These are my personal preparatory notes for the CCNA/CCNP exams, there is no guarantee whatsoever for their correctness. Use them, if you want, but love it or leave it.

On the other hand, if you find any number of errors (and if you look at it closely, there will definitely be some), thanks to report them to me (andreas@ryf.ch), your help might save me from failing the exam :-)

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Subtopics: OSI reference model IP Network Classes Subnetting Cables & fibres Terms Links BCMSN ONT