(Network administrator must read -- Network Foundation (Second Edition) edited by Wang Da. Main features and highlights: 1. Richer and more practical content; 2. The structure is more rigorous and systematic. 3. It is more convenient for self-study and teaching. 4. More professional and practical experience and skills. 5. Self study, teaching and soft examination. The three correct contents Chapter 1 computer network overview chapter 2 number system Chapter 3 data communication foundation Chapter 4 network communication protocol Chapter 5 IP protocol foundation Chapter 6 LAN foundation Chapter 7 Internet and its application foundation Chapter 8 network card, switch and router foundation Chapter 9 switch and router technology)
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