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Discover Packet Tracer 5 network simulator software and download tutorials and pka labs designed for students preparing CCNA and CCNP certification exams.

Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.

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AlternativeTo let you find new PC (Windows, Linux), Mac, iPhone, Android, Web/Online software based on applications you already know instead of useless categories. We make each application into a category. (AlternativeTo is sometimes called alternati...

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Software training & tutorial video library. Our online courses help you learn critical skills. Free access & previews on hundreds of tutorials.

YouTube is a place to discover, watch, upload and share videos.

Tom's Guide: Your High Tech Source of Information, Find News, Reviews on TomsGuide.com

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Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.