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Careers
Networking career and certification resources to help network administrators and engineers excel in their jobs and advance to the next level. Our most popular content is information on which Cisco certification is most appropriate, and what is covered on each exam.
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Network Administration
Here we offer tutorials on networking basics, network documentation and network maintenance for the network administrator. Learn about network mapping and tracking network devices and IP addresses to save time and resources, along with ways to simplify routine admin tasks such as operating ...
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Tutorials and Tech Guides
Here you'll find a catalog of the technical guides compiled by the editors of SearchNetworking.com. Check here for detailed resources on network management, IP addressing, network administration, security, protocols, wireless networks, and more.
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Book Excerpts
In this section we offer networking book excerpts, featuring full chapters from such publishers as Cisco Press, John Wiley & Sons Inc. and McGraw-Hill Osborne Media. You'll find chapters on everything from network design to security to certification preparation.
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OSI Model
The OSI model is the conceptual backbone of all networks. These resources will help you understand the OSI model: all seven layers (physical, data link, network, transport, session, presentation, and application) and what they do.
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Servers and Desktops
Network administrators working with servers and desktops will find resources here for maintaining and troubleshooting Windows and Linux server and desktop issues.
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