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共用题干题某数据中心根据需要添加新的数据库服务器。按照需求分析，该数据库服务器要求具有高速串行运算能力，同时为了该服务器的安全，拟选用Unix操作系统。根据以上情况分析，该服务器应选择（48）架构的服务器。其中（49）系列的CPU符合该架构。若选用了该CPU，则采用（50）操作系统是合适的。 空白处（48）应选择（）
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共用题干题An architectural style defines as a family of such systems in terms of a (1) of structural organization. More specifically, an architectural style defines a vocabulary of (2) and connector types, and a set of (3) on how they can be combined. For many styles there may also exist one or more (4) that specify how to determine a system's overall properties from the properties of its parts. Many of architectural styles have been developed over the years. The best-known examples of (5) architectures are programs written in the Unix shell. 空白（5）处应选择（）
OSPF is a link-state routing protocol. It is designed to be run internal to a single (1) system. Each OSPF router maintains an identical(2) describing the autonomous system's topology. From this database, a routing table is calculated by constructing a shortest-path (3).OSPF recalculates routes quickly in the face of topological changes, utilizing aminimum of routing (4) traffic. OSPF provides support for equal-cost multipath. An area routing capability is provided, enabling.an additional level of routing protection and a reduction in routing protocol (5). 空白（5）处应选择（）
共用题干题项目管理工具用来辅助项目经理实施软件开发过程中的项目管理活动，它不能（1）。（2）就是一种典型的项目管理工具。 空白（2）处应选择（）
IEEE802.3规定的CSMA/CD协议可以利用多种监听算法来减小发送冲突的概率，下面关于各种监听算法的描述中，正确的是（）。
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