Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You have a member server named Server1 that is configured as a DHCP server. You install a new stand-alone server named Server2 in the same subnet as Server1. You install the DHCP service on Server2. You need to ensure that Server2 can assign IP configurations to clients on the subnet. What should you do first?（） ["Join Server2 to the domain.","Restart the DCHP Server service on Server1.","From the DHCP snap-in on Server1， add Server2 by using the Add Server option.","From the DHCP snap-in on Server2， add Server 1 by using the Add Server option."]
完颜部
法律法规对网络运行管理具有怎样的重要性？
双重货币债券既包含债券属性，又包含（）属性。 ["期货","期权","远期","互换"]
M县公安局接到有关陈某、刘某合伙拐卖妇女的报案，依法对报案材料进行立案前审查。M县公安局决定立案的条件是（）。 ["报案人提供了充分的证据","有明确的犯罪嫌疑人","认为有犯罪事实需要追究刑事责任","案件事实已基本查清"]
请计算750风机的同步转速
