变额人寿保险
You are creating a Windows Communication Foundation (WCF) service. The service endpoints change frequently. On the service, you add a new ServiceDiscoveryBehavior to the Behaviors collection of the ServiceHost Description property. You need to ensure that client applications can communicate with the service and discover changes to the service endpoints. What should you do?（） [" Add a new ServiceDiscoveryBehavior to the Behaviors collection in the client application."," Add a new AnnouncementClient to the Behaviors collection in the client application."," Use the FindCriteria class and the UdpDiscoveryEndpoint class to set up the binding in the client application."," Use the DiscoveryProxy class and the EndpointDiscoveryMetadata class to set up the binding in the client application."]
简述在计算机中为什么常采用二进制数表示数据。
“动作”是DW预先编写好的（）脚本程序，通过在网页中执行这段代码就可以完成相应的任务。 [" VBScript"," JavaScript"," C++"," JSP"]
You have a domain controller named DC1 that runs Windows Server 2008 R2. DC1 is configured as a DNS server for contoso.com. You install the DNS Server server role on a member server named Server1 and then you create a standard secondary zone for contoso.com. You configure DC1 as the master server for the zone. You need to ensure that Server1 receives zone updates from DC1. What should you do（） ["On Server1， add a conditional forwarder.","On DC1， modify the permissions of contoso.com zone.","On DC1， modify the zone transfer settings for the contoso.com zone.","Add the Server1 computer account to the DNSUpdateProxy group."]
什么是投影法？其分为哪几类？
