CCENT Cisco Certified Entry Networking Technician Study Guide-优快云博客

本书提供全面覆盖CCENT认证考试640-822的所有官方考试目标，包括大量的练习题和实践操作，帮助考生准备考试。内容涉及OSI模型、TCP/IP、网络介质、以太网标准、交换、路由等关键主题。

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The Best Fully Integrated Study System Available for CCENT Exam 640-822

With hundreds of practice questions and hands-on exercises, CCENT Cisco Certified Entry Networking Technician Study Guide covers what you need to know--and shows you how to prepare--for this challenging exam.

100% complete coverage of all official objectives for exam 640-822:
Exam Readiness Checklist at the front and back of the book--you're ready for the exam when all objectives on the list are checked off
Inside the Exam sections in every chapter highlight key exam topics covered
Simulated exam questions match the format, tone, topics, and difficulty of the real exam
Covers all CCENT exam topics, including:

OSI Reference Model TCP/IP Network Media and Devices Ethernet Standards Switching Routing IP Addressing IP Address Subnetting IOS and Configuration Files CLI Cisco Switch and Router Configuration WANs and WLANs Applications, Security, and Troubleshooting

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