【简答题】在数据链路层中使用的地址是A. IP地址B.WINS地址C.NetBIOS地址D.MAC地址 B. IP地址B.WINS地址C.NetBIOS地址D.MAC地址 C. IP地址B.WINS地址C.NetBIOS地址D.MAC地址 D. IP地址B.WINS地址C.NetBIOS地址D.MAC地址
【判断题】T hrust bearings are designed to prevent up-and-down and side-to-side movement of the rotating shaft; axial bearings, often called r adial bearings, are designed to prevent back-and- forth movement of...