数据处理技术相继经历了人工管理、（）、（）、以及分布式数据库管理等四个发展阶段。
简述延安新华广播电台的创办和宣传工作。
You are the systems engineer for Contoso， Ltd. The internal network consists of a Windows NT 4.0 domain. The company maintains a separate network that contains publicly accessible Web and mail servers. These Web and mail servers are members of a DNS domain named contoso.com. The contoso.com zone is hosted by a UNIX-based DNS server running BIND 4.8.1. Contoso， Ltd.， is planning to migrate to a Windows Server 2003 Active Directory domain-based network. The migration plan states that all client computers will be upgraded to Windows XP Professional and that all servers will be replaced with new computers running Windows Server 2003. The migration plan specifies the following requirements for DNS in the new environment： • Active Directory data must not be accessible from the Internet. • The DNS namespace must be contiguous to minimize confusion for users and administrators. • Users must be able to connect to resources in the contoso.com domain. • Users must be able to connect to resources located on the Internet. • The existing UNIX-based DNS server will continue to host the contoso.com domain. • The existing UNIX-based DNS server cannot be upgraded or replaced. You plan to install a Windows Server 2003 DNS server on the internal network. You need to configure this Windows-based DNS server to meet the requirements specified in the migration plan. What should you do？ （） Create a primary zone named ad.contoso.com on your Windows-based DNS server. Create a delegation record for the new zone on the UNIX-based DNS server. Configure forwarders on your Windows-based DNS server.。 Create a primary zone named ad.contoso.com on the UNIX-based DNS server. Create a secondary zone on your Windows-based DNS server for the ad.contoso.com domain.。 Create a primary zone named contoso-ad.com on your Windows-based DNS server. Create a secondary zone on the UNIX-based DNS server for the contoso-ad.com domain.。 Create a primary zone named contoso-ad.com on the UNIX-based DNS server. Create a stub zone on the Windows-based DNS server for the contoso-ad.com domain. Configure conditional forwarders on your Windows-based DNS server for the contoso-ad.com and contoso.com domains.。
You need to install Windows 2000 Professional on a new computer in your network. You use the Setup Manager wizard to configure a fully automated installation script file. You begin an unattended installation and leave the office. When you return, the installation has reached the GUI-mode Setup and you see the following error message. “Unattended Setup is unable to continue because a Setup parameter specified by you system administrator or computer manufacturer is missing or invalid.” You need to complete the installation. What must you do?（） In the Unattended section of the answer file， set the OemPreinstall property to Yes.。 In the NetBinding section of the answer file， specify the Enable variable.。 In the UserData section of the answer file， specify the ProductID variable.。 In the GuiUnattended section of the answer file， set the OemSkipWelcome property to 1。
简述课活动教育的作用？
You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server contains one volume.
You install Certificate Services.
You need to back up the Certificates Services database by using the minimum amount of storage space.
Which tool should you use? （）
