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问题 单项选择题

《企业文件材料归档范围和档案保管期限表》指出审计部门形成的“审计报告意见及决定书，经济责任审计报告、重要请示等文件材料，归档时保管期限应划分为（）。

A、永久

B、30年

C、10年

D、定期

答案

参考答案：A

选择题

十二届全国人大的2987名代表是2010年选举法修改后首次按城乡相同人口比例选举产生，并且各民族都有适当数量的代表。这表明   【 　】

A．全国人民代表大会是我国的最高国家权力机关

B．人民代表的选举具有平等性

C．选举权和被选举权是公民最基本的政治权利

D．人民代表大会是我国的根本政治制度
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单项选择题

BGP is an inter-autonomous system routing protocol; it is designed to be used between multiple autonomous ( ) . BGP assumes that routing within an autonomous system is done by an intra-autonomous system routing protocol.BGP does not make any assumptions about intra-autonomous system （） protocols employed by the various autonomous systems. Specifically， BGP does not require all autonomous systems to run the same intra-autonomous system routing protocol.

BGP is a real inter-autonomous system routing protocol. It imposes no constraints on the underlying Internet topology. The information exchanged via BGP is sufficient to construct a graph of autonomous systems connectivity from which routing loops may be pruned and some routing ( ) decisions at the autonomous system level may be enforced.

The key feature of the protocol is the notion of Path Attributes. This feature provides BGP with flexibility and expandability. Path （） are partitioned into well-known and optional. The provision for optional attributes allows experimentation that may involve a group of BGP （） without affecting the rest of the Internet.   New optional attributes can be added to the protocol in much the same fashion as new options are added to the Telnet protocol， for instance.

Path （） are partitioned into well-known and optional.

A．states

B．searches 

C．attributes   

D．researches
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