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【单选题】
在OSI参考模型中，实现端到端的应答、分组排序和流量控制功能的协议层是A.
数据链路层
B.
网络层
C.
传输层
D.
会话层
手机使用
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新浪微博
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反馈参考答案：
举一反三
【单选题】You are the administrator of a network that consists of a single Windows NT 4.0 domain. The network contains five Windows NT Server domain controllers and 1,000 Windows NT Workstation client computers...
A.
On the new computer, install Windows NT Server 4.0 and designate the computer as a BDC in the existing domain. Promote the computer to the PDC of the domain. Upgrade the computer to Windows 2000 Server.
B.
On the new computer, install Windows NT Server 4.0 and designate the computer as a PDC in a new domain that has the same NetBIOS name as the existing Windows NT domain. Upgrade the computer to Windows 2000 Server. Use the Active Directory sites and services to force synchronization of the domain controllers.
C.
Shut down the PDC of the existing Windows NT domain from the network. On the new computer, install Windows 2000 Server, and then run the Active Directory installation wizard to install Active Directory, specifying the same NetBIOS name for the Windows 2000 domain as the existing Windows NT domain. Restart the Windows NT PDC on the network and demote it to a BDC.
D.
Shut down the PDC of the existing Windows NT domain from the network. On the new computer, install Windows 2000 Server, and then run the Active Directory installation wizard to install Active Directory as a replica in the existing Windows NT domain. Promote the new computer to the PDC of the domain. Restart Windows NT PDC on the network and demote it to a BDC.
【简答题】缝编机
【简答题】缝编机
【单选题】以下对IBM-PC系列及其兼容机论述正确的是( )。
A.
采用的设备统一编址，寻址空间达1MB
B.
采用的设备单独编址，外设编址达1MB
C.
采用设备统一编址，寻址空间达64KB
D.
采用设备单独编址，寻址空间达64KB
参考解析：
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