Is it possible to study computer networks using cisco?

Question

Computer networks

https://www.wiley.com/WileyCDA/WileyTitle/productC...
I found such a book whether it is suitable for general knowledge or is it better to find tcp / ip. And which one can you advise in English, Russian. Free / paid.

Answer 1

Yes, quite, CISCO give comprehensive information on networks, up to the description of blocks of bits in a frame, etc.