Dmitry Stepkin (3bs@mail.ru)
Certificate Verification No. 429134169382BOYG
Certificate Verification URI: http://www.ciscocertificates.com/verify.cfm
Certificate Verification No. 430698893943IRXI
Certificate Verification URI: http://www.ciscocertificates.com/verify.cfm
https://www.youracclaim.com/user/dmitry_stepkin