A Windows Communication Foundation （WCF） service has a callback contract. You are developing a client application that will call this service. You must ensure that the client application can interact with the WCF service. What should you do？ （） [" On the OperationContractAttribute， set the AsyncPattern property value to True."," On the OperationContractAttribute， set the ReplyAction property value to the endpoint address of the client. For interactive and self-paced preparation of exam 70-513， try our practice exams. Practice exams also include self assessment and reporting features!"," On the client， create a proxy derived from DuplexClientBase（Of TChannel）."," On the client， use GetCallbackChannel（Of T）."]
应用研究
上回转塔式起重机传动机构有（） ["起升机构","回转机构","顶升机构","工作平台"]
投保人指定受益人时须经被保险人同意。投保人为与其有劳动关系的劳动者投保人身保险，不得指定（）为受益人。 ["被保险人本人","被保险人的雇主或供职单位","被保险人的父母","被保险人及近亲属以外的人"]
Your company has 250 branch offices. Your network contains an Active Directory domain. The domain controllers run Windows Server 2008 R2. You plan to deploy Read-only Domain Controllers （RODCs） in the branch offices. You need to plan the deployment of the RODCs to meet the following requirements： èBuild each RODC at the designated branch office. èEnsure that the RODC installation source files do not contain cached secrets. èMinimize the bandwidth used during the initial synchronization of Active Directory Domain Services （AD？DS）. What should you include in your plan？（） ["Use Windows Server Backup to perform a full backup of an existing domain controller. Use thebackup to build the new RODCs.","Use Windows Server Backup to perform a custom backup of the critical volumes of an existing domain controller. Use the backup to build the new RODCs.","Create a DFS namespace that contains the Active Directory database from one of the existing domain controllers. Build the RODCs by using an answer file.","Create an RODC installation media. Build the RODCs from the RODC installation media."]
涉外结婚的准据法
