(Once upon a time, the job of a computer network administrator (referred to as a network administrator or network administrator) has made countless people extremely proud and extremely proud, but today, more than ten years later, the "network administrator" we used to know very well and make us feel very proud. A very proud job title, but it has become so unfamiliar; the serious state of the network management operation that we had high hopes for is also as suffocating as the severe winter. Questions about the network management operations from all sides came like a tide, causing all network management operations and even the whole society to fall into deep depression. ?What caused the network management work that we used to think indexed to reach such a point? How should we view the various unsatisfactory status quo and misunderstandings from various aspects faced by the network management work at that time? As the beginning of this book, from the The definition of network administrator jobs in the country, the job responsibilities of network administrators, the status and salary status of network administrators at home and abroad, as well as the main problems existing in network management operations, etc. The origin of various unsatisfactory status quo of the operation, restore the original face of the network management operation; from the perspective of the fundamental operation responsibility of the network management and the rules of operation development, guide the network management friends in the vast development process.)
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