📁 飞客

This section is concerned with the art of phone phreaking, exploring the telephone system in unusual ways.

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WebYoda

http://www.webyoda.com/

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Integratise Inc.: Sysoft

http://www.sysoft.com/

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Certified Internet Webmaster

http://www.ciwcertified.com/

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Oracle Certification Program

http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=50&p_org_id=1001&lang=US

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Certification and maybe some other stuff

http://www.certsandprogs.com/

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