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Welcome to the exciting world of Cisco certification! You have picked up this book because you want something better—namely, a better job with more satisfaction. Rest assured that you have made a good decision. Cisco certification can help you get your first networking job, or more money and a promotion if you are already in the field. Cisco certification can also improve your understanding of the internetworking of more than just Cisco products: You will develop a complete understanding of networking and how different network topologies work together to form a network. This is beneficial to every networking job and is the reason Cisco certification is in such high demand, even at companies with few Cisco devices. Cisco is the king of routing and switching, the Microsoft of the internetworking world. The Cisco certifications reach beyond the popular certifications, such as the MCSE and CNE, to provide you with an indispensable factor in understanding today’s network—insight into the Cisco world of internetworking. By deciding that you want to become Cisco certified, you are saying that you want to be the best—the best at routing and the best at switching. This book will lead you in that direction.

根据要求划分子网的地址空间 分配适当的地址给接口并进行记录 配置并激活 Serial 和 FastEthernet 接口 测试和验证配置 思考网络实施并整理成文档

CCNA实验手册标准版+Packet Tracer实验拓扑图

CCNA

CCNA

网络工程ccna实验手册

ccna经典教程

CCNA200-120考试注意事项（考前必看）.pdf

Cisco.200-120.307Q(英文版CCNA题库).pdf