试题详情单项选择题When replacing a power supply， what MUST the technician observe？（）A、voltageB、currentC、wattageD、resistance正确答案：C答案解析：关注下方微信公众号，在线模考后查看热门试题Users in an office rAn administrator is A company̳Deploying an&# A server A user would like toWhich of Which of Which of the followiWho is rWhich of the followiFor an enterprise toWhich of A frustrated and angA user reports that All of the followingA small A user rWhich of Which of the followi
