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Your company, Contoso, Ltd., has a main office and a branch office. The offices are connected by a WAN link. Contoso has an Active Directory forest that contains a single domain named ad.contoso.com.  
The ad.contoso.com domain contains one domain controller named DC1 that is located in the main office.  
DC1 is configured as a DNS server for the ad.contoso.com DNS zone. This zone is configured as a  standard primary zone.  
You install a new domain controller named DC2 in the branch office. You install DNS on DC2.   
You need to ensure that the DNS service can update records and resolve DNS queries in the event that a  WAN link fails.  
What should you do（）  

You are creating a mobile Web Form that dynamically displays news items. You want to display news items by using an instance of a mobile TextView control named TextViewNews. You need to configure the Web Form that contains TextViewNews. The Web Form must enable pagination in case a users device does not display the full text of a news item. Which code segment should you use? （） Dim ps As PagerStyle = New PagerStyle()ps.NextPageText = "more >"ps.PreviousPageText = "< back"FormNews.Paginate = True。 FormNews.PagerStyle.NextPageText = "more >"FormNews.PagerStyle.PreviousPageText = "< back"TextViewNews.PaginateRecursive(New ControlPager(FormNews, 1000))。 FormNews.PagerStyle.NextPageText = "more >"FormNews.PagerStyle.PreviousPageText = "< back"FormNews.PaginateRecursive(New ControlPager(FormNews, 1000))。 FormNews.PagerStyle.NextPageText = "more >"FormNews.PagerStyle.PreviousPageText = "< back"FormNews.Paginate = True。 寒潮 医疗器械经营企业不得经营（）的医疗器械。 未经注册。 无合格证明。 过期。 失效或者淘汰。 7～8个月的婴儿适应周围人物的能力和行为表现为（）。 对人和事物有爱憎之分，用手示意表示需要，穿衣能合作。 表示大、小便要求，理解成人简单指令，开始学自己用匙喂食。 表示自己意见（同意或不同意），会用杯喝水。 听懂自己名字，自握饼干吃。 Your company has servers that run Windows Server 2008. All client computers run Windows XP Service Pack 2 （SP2）. Windows 2003 Professional， or Windows Vista. You need to ensure all computers can use the IPv6 protocol. What should you do（） Install Serivce Pack 4 on all Windows 2000 Professional computers。 Upgrade the Windows 2000 professional computers to Windows XP SP2。 Run the IPv6.exe tool on the Windows 200 Professional and Windows XP computers。 Install Active Directory Client extention （DSClient.exe） on the Windows 2000 Professional and Windows XP computers.。

Your company, Contoso, Ltd., has a main office and a branch office. The offices are connected by a WAN link. Contoso has an Active Directory forest that contains a single domain named ad.contoso.com.  
The ad.contoso.com domain contains one domain controller named DC1 that is located in the main office.  
DC1 is configured as a DNS server for the ad.contoso.com DNS zone. This zone is configured as a  standard primary zone.  
You install a new domain controller named DC2 in the branch office. You install DNS on DC2.   
You need to ensure that the DNS service can update records and resolve DNS queries in the event that a  WAN link fails.  
What should you do（）