（）是中国革命和社会主义建设的理论总结
信息技术包括（） ["计算机软、硬件","存储技术","通信技术","以上均正确"]
一个系统割集数比径集数多，从安全性的角度考虑，是好还是坏？（） ["系统较不安全","系统较安全","系统稳定","不是"]
水泥胶砂试件养护时，每个养护池中只能养护同类水泥试块，应随时加水并保持水位恒定，并不允许养护期间全部换水。
You have a DHCP server that runs Windows Server 2008. You restore the DHCP database by using a recent backup. You need to prevent DHCP clients from receiveing IP addresses that are currently in use on the network. What should you do？（） ["Add the DHCP server option 15","Add the DHCP server option 44","Set the Conflict Detection value to 0","Set the Conflict Detection value to 2"]
外部性
