Wèi / le / bǎo / hù / zī / liào / ān / quán / yuǎn / chéng / dēng / lù / bì / xū / xiān / yàn / zhèng / shēn / fèn为了保护资料安全,远程登录必须先验证身份。To protect the data, remote login requires identity verification first.