以下哪项职责不属于项目经理职责范围（）。 进行工程工作的组织。 负责工程项目的控制。 与施工和设计部门共同研究，确定工程分包合同。 监督各方面工程活动的进行。
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。
Which of the following virtual MAC addresses is correct for the HSRP group 22？（） 0000.0c70.ac22。 0000.0c07.22ac。 0000.0c07.acl6。 0000.0c07.ac22。 0000.0c70.cala。 0000.0d22.ac07。
Your company has an Active Directory domain named contoso.com. The company network has two DNS servers named DNS1 and DNS2. The DNS servers are configured as shown in the following table. DNS1 DNS2 _msdcs.contoso.com contoso.com .(root) _msdcs.contoso.com contoso.com Domain users, who are configured to use DNS2 as the preferred DNS server, are unable to connect to Internet Web sites. You need to enable Internet name resolution for all client computers. What should you do（） Create a copy of the .（root） zone on DNS1.。 Update the list of root hints servers on DNS2.。 Update the Cache.dns file on DNS2. Configure conditional forwarding on DNS1.。 Delete the .（root） zone from DNS2. Configure conditional forwarding on DNS2.。
科学研究和技术开发形成一批关键核心技术，掌握一批自主知识产权，这些都是（）问题。
