教学中如何促进学生对知识的掌握？
进行客户组合分析时，对于历史价值高而潜在价值低的客户，应采取的策略是（） 维持。 投资。 放弃。 培育。
our company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 （SP2）. The main office has a third-party gateway device named Gateway1. Gateway1 is connected to the internal network and the Internet. Gateway1 supports IPSec. In the branch office， you have a server named Server1. You create an IPSec policy on Server1. You need to ensure that Server1 can establish an IPSec tunnel to Gateway1. What should you use to configure the IPSec policy？（） an IP filter that allows only Internet Control Message Protocol （ICMP） traffic。 an IP filter that allows only TCP traffic on port 1701。 a pre-shared key for authentication。 Kerberos authenticatio。
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You need to ensure that locked out user accounts remain locked out until an administrator unlocks the accounts. What should you do? （） In the Default Domain Policy, set the Account lockout duration to 0.。 In the Default Domain Policy, set the Account lockout duration to 99999.。 From Active Directory Users and Computers, select the Account is trusted for delegation option for all user accounts.。 From Active Directory Users and Computers, select the Account is sensitive and cannot be delegated option for all user accounts.。
选择“文件”菜单下的（）命令，可以保存图像文件：选择“文件”菜单下的（）命令，可以打开图像文件。
You need to design a method to ensure that only scripts that are approved by the IT department can run on company computers. Your solution must meet business requirements. What should you do？（）
