社区工作方法中的社区互动分析认为,社区各系统之间通常存在以下哪几种互动关系()
A. 交换关系、竞争关系
B. 权力依赖关系
C. 授权式关系、联盟式关系
D. 负相关关系、同比关系
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下列关于序列的使用场景说法正确的是()。
A. 使用序列代替多个字段的主键标识记录,以简化子表对于父表的引用关系
B. 需要产生诸如此类的单据流水号,可以借助序列来完成
C. 如果有多个用户同时向序列提出申请,可能会生成两个相同的整数
比较适合中国实际的宏观经济管理体制是计划、财政、金融结合型体制。()
A. 正确
B. 错误
our company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2).In the main office, a server named DNS1 hosts the primary DNS zone for contoso.com.You configure a primary zone for west.contoso.com on a DNS server named DNS2 in the branch office. All servers in the branch office are configured to have the west.contoso.com DNS suffix.You need to ensure that users in the main office can resolve server names in the branch office. The solution must meet the following requirements: Minimize the amount of DNS zone transfer traffic between the offices.Maintain the current name resolution process for users in the main office. What should you configure on DNS1? ()
A. a host record for DNS2
B. a secondary zone for the west.contoso.com zone
C. a stub zone for the west.contoso.com zone
DNS2 as a forwarder
圆锥滚子轴承主要特点是径向和轴向承载能力强、安装与拆卸方便,但不能调整工作游隙。
A. 正确
B. 错误