[单选] Your company has an active directory domain. A server named server1 runs the network access policy server role. You need to disable IPv6 for all connections except for the tunnel interface and the IPv6 loopback interface. What should you do?（）

注射器属于（）类医疗器械。 一类。 二类。 三类。 多次测验分数的稳定、一致程度是（） 信度。 效度。 区分度。 难度。 Your company has a main office and a branch office.The network contains two DNS servers named DNS1 and DNS2.DNS1 is located in the main office. DNS1 hosts a primary standard zone named contoso.com. The contoso.com zone is configured to use DNSSEC.DNS2 is located in the branch office. DNS2 is a caching-only DNS server. You need to ensure that client computers in the branch office can receive authoritative responses to queries for contoso.com if a WAN link fails. DNSSEC security must be maintained.What should you configure on DNS2 for contoso.com？（） a conditional forwarder。 a secondary zone。 a zone delegation。 an Active Directory-integrated stub zone。 你正在创建一个使用一些自定义用户控件的 ASP.NET Web 应用。为了去提高性能，你需要使用缓冲来存储控件输出的副本 5 分钟。已知，控件输出使用不同的用户和会话进行标识，因此你需要为多个用户缓冲一个控件副本。下面哪一个配置是正确的？（） <%@ OutputCache Duration="300" Shared="true" VaryByParam="None" %>。 <%@ OutputCache Duration="5" VaryByParam="None" %>。 <%@ OutputCache Duration="5" Shared="true" VaryByParam="None" %>。 《天问》 Your company has an active directory domain. A server named server1 runs the network access policy server role. You need to disable IPv6 for all connections except for the tunnel interface and the IPv6 loopback interface. What should you do?（）