总体数据库设计时，文件设计的基本内容主要包括几个方面？
Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links？（） [" use BGP as the CE-PE routing protocol"," use OSPF as the CE-PE routing protocol"," use EIGRP as the CE-PE routing protocol"," use the SP to redistribute routes as external routes for OSPF and EIGRP"," use route redistribution at each location to ensure external routes are imported into the IGP"]
火灾探测报警系统的组成不包括（）。 ["火灾报警控制器","触发器件","火灾警报装置","消防电气控制装置"]
以下关于阳台施工技术准备说法正确的是（）。 ["A.所有的预制阳台安装施工前应编制专项施工方案 ","B.预制阳台专项施工方案需经施工总承包企业项目负责人和总监理工程师批准 ","C.预制阳台安装施工前应对施工人员进行技术交底，并由交底人和被交底人双方签字确认 ","D.预制阳台安装施工前，应编制合理可行的施工计划 ","E.预制阳台施工前应明确预制阳台吊装的时间节点"]
1984年初，邓小平为深圳特区题词：“深圳的发展和经验证明，我们建立经济特区的政策是正确的。”从此中国改革开放进入一个全新时期。此后中国开始（）。 ["在大型国有企业中建立现代企业制度","开放沿海城市，兴办经济技术开发区","着手加速建立社会主义市场经济体制","加入世界贸易组织，融入全球化进程"]
邮政法规定，什么是邮件处理场所？
