CCNA security 初级入门中文书
书的内容通俗易懂,由浅至深,层层解析安全所触及的内容,觉得好的,请力荐呐!!更多CCIE,CCNP安全的书籍请理解我别的的下载资源!!Cisco网络安全.pdf
(The content of the book is easy to understand, from shallow to deep, and analyzes the content of security at every level. If you think it is good, please recommend it!! For more CCIE, CCNP security books, please understand my other download resources!!
Cisco Network Security.pdf)
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