试题详情单项选择题Which of the following layers is associated with the physical hardware address of a network node?()A、Layer 1B、Layer 2C、Layer 6D、Layer 7正确答案:B答案解析:关注下方微信公众号,在线模考后查看热门试题Which of the followiA Laser In which Which of the followi如果不间断电源(UPS)超出最大额定负载A technician needs tWhich of Which of the followiA bank wants to maxiWhich of the followiWhich of A major Which of the followiWhich of Which of A department of userA server Which of the followiAn administratA technician