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i am a network engineer,at beginning i just work with router and switch.and then i got CCIE certification,i work on system integration for several years,now i am selling firewalls and UTM product,i am working on my CISSP certification.it there anyone do the same job?

what a bad luck day -_-! wow,i went to tianjin,customer did not want to see me.i went to a restaurant,there was a metal in my meal,can i call a taxi,the driver drive me in wrong way.