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【单选题】
网络管理协议中，简单网络管理协议SNMP是(1)协议，它基于(2)协议来传输数据。SNMP提供了4类管理操作，其中(3)操作用来提取特定的网络管理信息。SNMP是通过(4)方式实现管理功能的。在SNMP管理控制框架中定义了管理进程和管理代理，其中网络管理工作站(5)。A.
异步请求/相应、面向连接的
B.
异步请求/相应、非面向连接的
C.
同步请求/相应、面向连接的
D.
同步请求/相应、非面向连接的
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知识点：
皮皮学刷刷变学霸
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【简答题】轴承是用来支承( )及轴上零件,以保证轴的旋转精度,减少轴与支承面间的摩擦和磨损。
【单选题】It is frequently assumed that the mechanization of work has a revolutionary effect on the lives of the people who operate the new machines and on the society into which the machines have been introduc...
A.
The effects of the mechanization of women's work have not borne out the frequently held assumption that new technology is inherently revolutionary.
B.
Recent studies have shown that mechanization revolutionizes a society's traditional values and the customary roles of its members.
C.
Mechanization has caused the nature of women's work to change since the Industrial Revolution.
D.
The mechanization of work creates whole new classes of jobs that did not previously exist.
【单选题】_____ has assumed a place among the great documents of human freedom.
A.
The Emancipation Proclamation
B.
The Homestead Act
C.
The Declaration of Independence
D.
Lasissez-faire policy
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