[单选] Your corporate network has a member server named RAS1 that runs Windows Server 2008 R2. You configure RAS1 to use the Routing and Remote Access Services (RRAS).The companys remote access policy allows members of the Domain Users group to dial in to RAS1. The company issues smart cards to all employees.You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection.What should you do？（）

（）是企业研究与开发能力的基石。 You are developing an application that uses role-based security. The prinicipal policy of the application domain is configured during startup with the following code：AppDomain.CurrentDomain.SetPrincipalPolicy（PrincipalPolicy.WindowsPrincipal）；  You need to restrict access to one of the methods in your application so that only members of the local Administrators group can call the method. Which attribute should you place on the method？（）  [PrincipalPermission （SecurityAction.Demand， Name = @"BUILTIN\Administrators"）]。  [PrincipalPermission （SecurityAction.Demand， Role = @"BUILTIN\Administrators"）]。  [PrincipalPermission （SecurityAction.Assert， Name = @"BUILTIN\Administrators"）]。  [PrincipalPermission （SecurityAction.Assert， Role = @"BUILTIN\Administrators"）]。 扩大基层民主，是我国发展社会主义民主政治的重要内容。下列属于基层自治组织的是（）。 居民委员会。 村党支部委员会。 乡镇人民代表大会。 业主委员会。 Critical services are running on CKD20， a domain controller. You have completed restructuring the organizational unit hierarchy for the domain and deleted the needless objects. What would you do to perform an offline defragmentation of the Active Directory database on CKD20 while ensuring that the critical services remain online（） Open the Microsoft Management Console （MMC） and stop the Domain Controller service. After that，run the defrag tool。 Start the domain controller in the Directory Service restore mode and run the Ntdsutil tool。 Start the domain controller and then use the Defrag tool to start defragmentation。 Open the MMC and stop the Domain Controller service. After that， run the Ntdsutil tool.。 All of the above。 乳糖酶可以催化乳糖水解生成（） 二个半乳糖。 葡萄糖和果糖。 葡萄糖和半乳糖。 半乳糖和果糖。 二个葡萄糖。 Your corporate network has a member server named RAS1 that runs Windows Server 2008 R2. You configure RAS1 to use the Routing and Remote Access Services (RRAS).The companys remote access policy allows members of the Domain Users group to dial in to RAS1. The company issues smart cards to all employees.You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection.What should you do？（）