编码策略主要依靠的是（） 整体效应。 聚集效应。 规模效应。 传递效应。
某企业生产甲、乙、丙三种产品，1999年和2000年其产品产量和单位成本资料如下： 要求：从相对数和绝对数两方面分析单位成本和产量的变动对总成本的影响。
你需要为客户信息设计一个访问控制方案。你的方案必须符合安全的要求。你应该怎么做？（） 配置Web站点要求SSL连接。配置Web站点要求客户端证书。在Web站点启用并配置客户端证书映射。 配置Web站点要求SSL连接。禁用匿名访问Web站点。分配只读权限给客户的用户帐户访问包含Web站点文件的文件夹。 配置Web站点只用Microsoft.NET通行证验证。指定den.corp.woodgrovebank.com域为默认的.NET通行证验证的域。在Web服务器上配置一个自定义的本地IPSec策略要求IPSec通信。 配置Web站点只用Windows Integrated authentication（Windows集成验证），在Web服务器上配置一个自定义的本地IPSec策略要求IPSec通信.配置IPSec策略用基于证书验证和加密。
数据的逻辑组织形式有（） 顺序组织、直接组织、链表组织。 链表组织、树型组织、直接组织。 顺序组织、树型组织、网状组织。 网状组织、树型组织、链表组织。
You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 infrastructure is managed by you. A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration. First, the users continuously access to the Orders table in the database. Secondly, a column of the xml data type is contained by Orders table. Thirdly, the new rows are regularly added to the Orders table. Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2 percent. A strategy should be designed to have the performance of the queries on the table optimized. Which action will you perform?（） The clustered index of the Orders table should be dropped.。 The clustered index of the Orders table offline should be rebuilt once a month.。 The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.。 The clustered index of the Orders table should be reorganized by reducing the fill factor.。
You have a single Active Directory directory service domain with three sites named Site1，Site2，and Site3. There are site links between all three sites，and replication between sites occurs every 30 minutes. You need to ensure that all replication traffic is routed through Site2.
What should you do？（）
