You are the administrator for your company's network. The network is configured as shown in the exhibit. You want to install Windows 2000 Professional on 20 new PXE-compliant computers on the marketing segment of your network. The new computers do not have operating systems installed. You create a RIS image. You load the image onto the RIS server. You then start the new computers. You find that the new computers cannot connect to the RIS server. You verify that the new computers cannot connect to the RIS server. You verify that the existing client computers in the network can connect to the network servers, including the RIS server. You want to enable the new computers to connect to the RIS server. What should you do? （） ["Add a Windows 2000 Server computer running WINS to the network. ","Add a Windows 2000 Server computer running DHCP to the network. ","Add the domain Everyone group to the RIS OS image security settings. ","Place the new computers on the same segment as the RIS server.&e"]
1919年五四运动之后，特别是“六〃三”以后，（）以独立的姿态登上了政治舞台，成为运动的主力军。 ["青年学生","知识分子","工人阶级","农民阶级"]
无形资产是指事业单位持有的没有实物形态的可辨认非货币性资产，包括（）。 ["A.土地使用权 ","B.专利权 ","C.非专利技术 ","D.商标权、著作权"]
口腔护理时，应评估患者的（） ["年龄","病情","意识","配合程度"]
简述β-内酰胺类药物抗菌的作用机制。
在候选码中的每个属性被称为（）属性，不在任何候选码中的每个属性被称为（）属性。
