HCIA transmission certification learning process

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Have you ever passed HCIA transmission? Or practitioners say that many training institutions do not have equipment to start classes now, and feel that the problem of self-study theory test is not big. However, due to the lack of practical operation, it is difficult to say that U2000 can be configured independently. Will it be very embarrassing to work? Want to operate U2000 configuration MSTP device skillfully, but there is no place to learn it is difficult for meAsk for help