ban nao chominh biet voi nen hoc lay chung chi Microsoft hay la Cisco ,hoc cai nao de sau nay ra truong co the tim viec lam de hon .xin cam on .
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ban nao chominh biet voi nen hoc lay chung chi Microsoft hay la Cisco ,hoc cai nao de sau nay ra truong co the tim viec lam de hon .xin cam on .