Your network contains a Web-based application that runs on Windows Server 2003. You plan to migrate the Web-based application to Windows Server 2008 R2. You need to recommend a server configuration to support the Web-based application. The server configuration must meet the following requirements： èEnsure that the application is available to all users if a single server？fails èSupport the installation of .NET applications èMinimize software costs What should you recommend？（） Install the Server Core installation of Windows Server 2008 R2 Standard on two servers. Configure the servers in a Network Load Balancing cluster.。 Install the full installation of Windows Server 2008 R2 Web on two servers. Configure the servers in a Network Load Balancing cluster.。 Install the full installation of Windows Server 2008 R2 Enterprise on two servers. Configure the servers in a failover cluster.。 Install the full installation of Windows Server 2008 R2 Datacenter on two servers. Configure the servers in a failover cluster.。
当导水机构全关后机组长时间不能降低转速是何原因？如何消除？
在软件测试过程中，测试的对象仅仅限于编码阶段的源程序，包括使用人工或机器测试的方法。
既然测试的目的在于寻找错误，并且找出的错误越多越好，那么在测试时应尽可能的测试无遗漏。
设置幻灯片播放显示时间方法有：一是（），二是（）。
结构化系统开发方法的缺点是：（）
