October 20,2011 

Dear Yuanyang Qin, 

Congratulations!You have earned your Cisco Certified Network Associate Certification. Enclosed is an official copy of your certificate. 

You are part of an elite group of highly trained networking professionals who have chosen to extend their knowledge and strengthen their professional credentials through Cisco Certifications. Your certifiction valedates your expertise in the use of Cisco products in networking environments. 

The online Cisco Certifications Tracking System http://www.cisco.com/go/certificatios/login can help you monitor your certification progress, view recertification deadlines,and keep current with program enhancements and new offerings.While you are using the Tracking System,locate the Validation and Logos tab to download the corresponding logos for use on your business card,letterhead,or other promotional materials.Choose the Certification Logos option and follow the instrctions. 

Cisco certificates are uniquely numbered.Both certified individuals and third parties can verify authenticity by entering the certificate number (located on the bottom left of the certificate) at http:// [url]www.cisco.com/go/verifycertificate[/url].

If you have questions,visit our Certifications Online Support at http://www.cisco.com/go/certsupport . 

Again,congratulations on earning a Cisco Certified Network Assoiate Certification.We look forward to a productive,ongoing relationship with you as you continue to expand your networking expertise. 

On behalf of Cisco Systems,best wishes for your continued success. 

Sincerely, 

John Chambers 
President and CEO 
Cisco System,Inc 

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