单项选择题
您是Litware,Inc.的网络管理员。公司总部设在Lima在其它五个城市设有分公司。公司网络由名为litawreinc.com 的单一DNS域组成。网络配置如相关材料所示。
相关材料所有网络服务器都运行 Windows Server 2003。所有客户端计算机Ip地址通过各分公司的DHCP服务器进行指派。客户端计算机经常被重新制作映像，并且在每次重新制作映像时，被指派新的名称。所有客户端计算机配置为，将其本地DHS服务器引用为首DNS服务器，将中央DNS服务器引用为备用DNS服务器。litwareinc.com的主区域在Lima总部的服务器上配置。辅助区域在各分公司的服务器上配置。重试间隔、刷新间隔、过期间隔和默认最小"保存时间"(TTL)间隔，都配置为默认设置。网络宽带利用率平均为。40% Lima总部和Bogota分公司之间的网络连接平均每天发生两次故障.当在区域复制过程中网络连接出现中断时，Bogota分公司的用户偶尓会接收到对本地DNS服务查询的错误响应。您需要加强为litwareinc.com更改起始授权机构（SOA)资源记录的配置。另外，您还需要降低用户在成功区域复制发生之前，可以查询本地DNS区域的可能性。您该怎么办？（）
A.将重试间隔更改为12小时
B.将默认最小"保存时间" (TTL)更改为2天
C.将刷新间隔更改为2天
D.将过期间隔更改为12小时
相关考题
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单项选择题
Your network contains a single Active Directory domain named contoso.com. The functional level of the domain is Windows 2000 mixed. You have a domain controller named DC1 that runs Windows Server 2003 Service Pack 2 (SP2). DC1 hosts a standard primary zone for contoso.com. You need to ensure that only computers in the contoso.com domain can register host records in the contoso.com zone. What should you do?（）
A.Convert contoso.com to a secondary zone.
B.Convert contoso.com to an Active Directory-integrated zone. Set dynamic updates for the zone to Secure only.
C.Convert contoso.com to an Active Directory-integrated zone. Set dynamic updates for the zone to Nonsecure and secure.
D.Change the domain functional level to Windows Server 2003. Set dynamic updates for the zone to Nonsecure and secure. -
单项选择题
Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 (SP2). You deploy a Web server named Server1. Users access the server by using the URL http://server1.contoso.com. You need to create a new resource record that will allow users to access the server by using the URL http://www.contoso.com. The solution must prevent the need to modify the new record if the IP address of Server1 changes. Which type of resource record should you configure?（）
A.alias（CNAME）
B.host （A）
C.mail exchanger （MX）
D.pointer（PTR） -
单项选择题
Your company has a single Active Directory domain named contoso.com. All servers in the domain run Windows Server 2003 Service Pack 2 (SP2). You have two DNS servers named DNS1 and DNS2. DNS1 hosts an Active Directory-integrated zone for contoso.com. DNS2 hosts a standard secondary zone for contoso.com. You need to monitor the total number of zone transfer requests. What should you do?（）
A.On DNS1 create a counter log.
B.On DNS2 create a counter log.
C.On DNS1 use Active Directory Replication Monitor.
D.On DNS2 use Active Directory Replication Monitor.
