题目内容

在下列哪种情况下的白天，负责航行值班的高级船员可以是唯一的瞭望人员（）

A. 对局面作了充分的估计，确信无疑这样做是安全的
B. 充分考虑了天气情况、能见度、通航密度、邻近的航行危险物和航行在分道通航制水域内或附近时必要的注意等一切因素
C. 当局面发生变化需要时，能立即召人到驾驶台协助
D. 上述三个条件同时具备的情况下

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Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）

A. Never use passive interfaces.
B. Use NSSA areas from the core down.
C. Use totally stub areas to stop type 3 LSAs.
D. Use the lowest Ethernet interface IP address as the router I
E. Tune OSPF timers to enable OSPF to achieve quicker convergence.

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1954年北京坐标系是新中国成立后确定的国家大地坐标系，是与（）1942年坐标系联测经我国东北传算过来的

A. 前苏联
B. 美国
C. 德国
D. 英国

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列车运行中发生火灾时，根据火灾情况和地点，选择好停车位置，避免停在桥梁、（）等不利灭火地点，尽量维持进站停车处理。

A. 隧道
B. 弯道
C. 坡道

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You have a single Active Directory directory service domain. You have an application that adds Active Directory Schema attributes during installation. The attributes replicate as part of global catalog replication. Your user account is a member of the Domain Admins， Schema Admins， and Enterprise Admins global groups. You test the application and decide not to deploy it to production. You need to ensure that the attributes that are added by the application are no longer available in Active Directory. Using the Active Directory Schema snap-in，what should you do？（）

A. Clear the Index this attribute in the Active Directory option for each attribute that is added by the application.
B. Clear the Attribute is active option for each attribute that is added by the application.
Clear the Replicate this attribute to the Global Catalog option for each attribute that is added by the application.
D. Clear the Allow this attribute to be shown in advanced view option for each attribute that is added by the application.

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