NetworkWarrior思科网络工程师必备手册第2版正版原版

Writtenbynetworkingveteranwith20yearsofexperience,NetworkWarriorprovidesathoroughandpracticalintroductiontotheentirenetworkinfrastructure,fromcablingtotherouters.WhatyouneedtolearntopassaCiscocertificationexamsuchasCCNAandwhatyouneedtoknowtosurviveintherealworldaretwoverydiffer