tailieunhanh - Cisco networking essentials

Cisco Systems, Inc., the worldwide leader in networking for the Internet, has prepared this guide to make networking easier for your campus or district. If you’re new to networking, it’s an ideal introduction, starting with the most basic of components and helping you pinpoint the best technologies and design for your network. If you already know your networking ABCs, look to this guide for straightforward explanations of key terms and concepts to keep building your knowledge base. | Education Guide Cisco Networking Essentials for Educational Institutions Cisco Systems Cisco Systems Inc. the worldwide leader in networking for the Internet has prepared this guide to make networking easier for your campus or district. If you re new to networking it s an ideal introduction starting with the most basic of components and helping you pinpoint the best technologies and design for your network. If you already know your networking ABCs look to this guide for straightforward explanations of key terms and concepts to keep building your knowledge base. Cisco solutions are at the foundation of thousands of education networks worldwide from leading universities to campus computer labs. We have a strong commitment to making education networks powerful practical learning resources and preparing today s students to excel in the information economy. What s more 80 percent of the routers that make up the Internet are from Cisco. Virtually all Internet traffic flows THROUGH Cisco equipment. So when you install Cisco you re choosing the networking EQUIPMENT PROVEN SUITABLE FOR THE world s largest and FASTEST-GROWING NETWORKS. For details on Cisco solutions for your networks or education initiatives CALL 800 778 3632 EXT. 6030 OR VISIT OUR Web site at edu. Table of Contents What This Guide Can Do for You 1 The Building Blocks Basic Components of Networks 2 Clients and Servers 2 Wiring and Cable 3 Network Interface Cards 3 Hubs 4 Margin Note Network Management 4 Margin Note Modems 4 Switches 5 Routers 5 Margin Note Uninterruptible Power Supplies 6 Margin Note Bridges 6 Education Networking Examples A Local-Area Network at a Campus As the Campus Network Grows A Wide-Area Network for a Small District A Community College WAN Making the Right Connection Network How-Tos How to Connect to the Internet How to Choose an Internet Service Provider How to Create Your Own Web Site Margin Note Instant Web Content for Education Margin Note Security Networking .