Most useful Web sites

By Network World Staff, Network World
December 17, 2008 05:19 PM ET

Network World recognizes that it is not alone in the Internet, and the editors set out to find the best stuff out there. We came up with a list of "20 useful Web sites for IT professionals," and it was so popular that we followed up with more collections of great sites. Add your picks in the comments, and we hope you indeed find these useful.

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20 useful Web sites for IT professionals

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If you're studying for Cisco exams or if you're a CCIE pro, we've scoured the Web to bring you the most useful Web resources.

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Cisco Subnet blogger Michael Morris shares his top hard-to-find Cisco.com bookmarks, cleaned up to make your browsing easier.

Read more about wireless & mobile in Network World's Wireless & Mobile section.