低合金结构钢及低碳钢的埋弧自动焊可采用低锰或无锰高硅焊剂焊剂与（）焊丝相配合。 低锰。 中锰。 高锰。 高硅。
Your company named Contoso， Ltd. has a two-node Network Load Balancing cluster. The cluster is intended to provide high availability and load balancing for only the intranet Web site. The name of the cluster is web.contoso.com. You discover that Contoso users can see the Network Load Balancing cluster in the network neighborhood and can connect to various services by using the web.contoso.com name. The web.contoso.com Network Load Balancing cluster is configured with only one port rule. You need to configure the web.contoso.com Network Load Balancing cluster to accept only HTTP traffic. Which two actions should you perform？（） Log on to one of the cluster nodes and run the wlbs disable all command.。 Open the Network Load Balancing Clusters console and delete the default port rules.。 Open the Network Load Balancing Clusters console and create a new Allow rule for TCP port 80.。 Open the Network Load Balancing Clusters console and change the default port rule to a disabled port range rule.。
评估机构执行绩效评价业务，收集数据的主要方法通常有（）。 案卷研究。 数据填报。 实地调研。 座谈会、问卷调查。
Switch R1 has been configured with DTP using the desirable option. Which statement describes Dynamic Trunking Protocol （DTP） desirable mode？（） The interface actively attempts to convert the link to a trunk link.。 The interface is put into permanent trunking mode but prevented from generating DTP frames. 。 The interface is put into permanent trunking mode and negotiates to convert the link into a trunk link.。 The interface is put into a passive mode， waiting to convert the link to a trunk link. 。 None of the other alternatives apply。
根据《2000年通则》的解释，下列术语中卖方不负责办理出口手续及支付相关费用的是（）。 FAS。 FCA。 FOB。 EXW。
管理风险应当如何规避？下列说法错误的是（）。
