cisco certified

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https://learningnetwork.cisco.com/welcome

http://www.cisco.com/web/learning/certifications/shared/compare_entry.pdf

http://www.cisco.com/web/learning/certifications/entry/ccent/docs/ccent_oView.pdf

https://learningnetwork.cisco.com/community/certifications/ccna/ccna_exam_v2/exam-topics

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