不属于测试计划的内容的选项是（）。 测试需求说明。 安全测试。 测试资源配置。 测试策略和记录。
简述火场逃生方法。
项目国民经济效益分析与项目财务效益分析的区别在于（）。 二者的分析角度不同。 二者关于费用和效益的含义不同。 二者关于效益和费用的范围不同。 二者计算费用和效益的价格基础不同。 二者评判投资项目可行与否的标准（参数）不同。
Your company has a main office and three branch offices. The network consists of a single Active Directory domain. Each office contains an Active Directory domain controller. You need to create a DNS infrastructure for the network that meets the following requirements： èThe DNS infrastructure must allow the client computers in each office to register DNS names within their. respective offices. èThe client computers must be able to resolve names for hosts in all offices. What should you do？（） Create an Active Directory-integrated zone at the main office site.。 Create a standard primary zone at the main office site and at each branch office site.。 Create a standard primary zone at the main office site. Create a secondary zone at each branch office site.。 Create a standard primary zone at the main office site. Create an Active Directory-integrated stub zone at each branch office site.。
离心水泵的出水逆止阀阀心取走后，不能运行又是何道理？
企业交纳的下到各项税金，应通过“营业税金及附加”账户核算的有（）
