The Company network needs to pass traffic between VLANs. Which device should be used to accomplish this？ （） [" Hub"," Switch"," Router"," Bridge"," None of the other alternatives apply"]
当采用（）钢筒式压路机时，总质量不小于12t，相邻碾压带不应小于200mm。 ["A.双轮 ","B.四轮 ","C.三轮 ","D.多轮"]
You are the network administrator for TestKing. Your network consists of a single Active Directory domain named All network servers run Windows Server 2003, and all 200 client computers run Windows XP Professional. Software Update Services (SUS) is installed with default settings on a server named TestKing5. You discover that a critical security update for Internet Explorer is not installed on any client computer. You verify that the update was downloaded from the Internet to TestKing5. You also verify that more recent security updates are installed. You need to investigate the cause of this problem. You will use the SUS administration console on TestKing5. Which data should you evaluate? （）(Choose two) [" The security update in the synchronization log."," The security update in the approval log."," The status of Internet Explorer 5.5x in the Monitor Server window."," The status of Internet Explorer 6.x in the Monitor Server window."]
某机电设备安装公司中标一长输管道支线工程某标段，中标工程管道长度为30km。该公司中标签订合同后，拟把工程中的施工作业带清理、修筑施工运输便道、管沟开挖、管沟回填分包给A工程公司，把管道现场防腐和热收缩套（带）补口分包给B专业公司，把管道焊口无损检验分包给C无损检测公司。
机电安装公司召集各分包单位，约定了下述事项：
1.各分包单位自行编制分包工程施工组织设计或施工方案，单位内部完成审批程序后交监理审批，将监理审批后的方案报总包单位项目部备案。
2.施工过程中发生的与沿途村民的临时占地、青苗赔偿等沟通协调事项由总包方授权A工程公司负责进行。 根据建设单位的要求，管道工程按照绿色施工的理念组织施工，实现“四节一环保”。总包单位编制了绿色施工方案，把机械设备、机具的节能作为一个重点内容。
施工中，发生下述事件：
事件一：施工中检查发现，部分管段准备下沟时，8专业公司已将管段的全部热收缩套（带）补口完成，然而部分管口焊口还未进行检验，造成部分返工。
事件二：长输管道支线路经一个llokV变电站时，施工单位考虑施工方便，将变电站的一片绿地作为施工用地和管段临时堆放场地，受到电力管理部门的处罚。 总包单位加强了内、外部沟通和协调，使工程得以顺利进展。
施工单位占用变电站的一片绿地为什么会受到电力管理部门的处罚？电力管理部门对施工单位处罚的内容是什么？
下列选项中，（）不属于古树名木的保护性栽培措施。 ["立支柱防止倒伏","深翻断根","浅松土","根外追肥"]
有害生物
