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考题
以下关于DNS的描述，正确的是（ ）。A.DNS是域名系统的缩写
B.DNS采用的是server-client模型
C.域名结构有若干分量组成，分量间以“.”隔开
D.域名可以反映出计算机的物理位置
E.DNS按分层管理，CN是顶级域名，表示中国
考题
在Windows操作系统中，启动DNS缓存的服务是（19）；采用命令（20）可以清除本地缓存中的DNS记录。
A. DNS Cache
B.DNS Client
C. DNS Flush
D.DNS Start
考题
你想跟踪DNS的活动，于是便打开DNS服务器的日志。在缺省情况下，DNS日志文件位于什么地方（）A、％SystemRoot％/DNS/dns.logB、％SystemRoot％/System32/DNS/dns.logC、％SystemRoot％/System32/LOGS/dns.logD、％SystemRoot％/LOGS/dns.log
考题
You are designing the DNS name resolution strategy for the internal network. What should you do？ （）A、 Configure all internal DNS servers to use the default root hints.B、 Disable recursion on the DNS server in Seattle. Configure the Seattle DNS to use Dallas DNS server as a forwarder.C、 Create a root zone on the DNS server in Dallas. Configure the Seattle DNS server to use the Dallas DNS server as a forwarder.D、 Create a root zone on the DNS server in both Dallas and Seattle.
考题
Your company has an Active Directory domain named contoso.com. The company network has two DNS servers named DNS1 and DNS2. The DNS servers are configured as shown in the following table. DNS1 DNS2 _msdcs.contoso.com contoso.com .(root) _msdcs.contoso.com contoso.com Domain users, who are configured to use DNS2 as the preferred DNS server, are unable to connect to Internet Web sites. You need to enable Internet name resolution for all client computers. What should you do（）A、Create a copy of the .（root） zone on DNS1.B、Update the list of root hints servers on DNS2.C、Update the Cache.dns file on DNS2. Configure conditional forwarding on DNS1.D、Delete the .（root） zone from DNS2. Configure conditional forwarding on DNS2.
考题
You are designing a strategy to ensure that DNS queries always take the most efficient route to get resolved. Which action or actions should you perform？（）A、 Configure conditional forwarding on the corporate DNS servers to point the development DNS servers.B、 Configure conditional forwarding on the development DNS servers to point the corporate DNS servers.C、 Configure conditional forwarding on the perimeter network DNS servers to point the corporate and development DNS servers.D、 Configure forwarding on the corporate and development DNS servers to point the perimeter network DNS servers.E、 Disable root hints on the perimeter network DNS Servers.
考题
以下关于DNS的描述，正确的是：（）A、DNS是联机分布式数据操作系统；B、DNS采用的是server-client模型；C、域名结构有若干分量组成，分量间以“.”隔开；D、域名可以反映出计算机的物理位置；
考题
单选题You are designing the DNS name resolution strategy for the internal network. What should you do？ （）A
Configure all internal DNS servers to use the default root hints.B
Disable recursion on the DNS server in Seattle. Configure the Seattle DNS to use Dallas DNS server as a forwarder.C
Create a root zone on the DNS server in Dallas. Configure the Seattle DNS server to use the Dallas DNS server as a forwarder.D
Create a root zone on the DNS server in both Dallas and Seattle.
考题
问答题简述DNS 应用系统的主要作用，系统组成，以及工作原理。
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