这就更不用说了，已经把路由，交换，远程和排错分开为四本书，每一本都有600 - 700页注意，我说的是英文版。
CCNP, this with respect to prep let alone, already the road by, exchange, it is 4 books remotely apart with erratum, each have 600-700 page originally attention, what I say is English edition.
youdao