A technician works for a company that has recently been affected by a virus. The virus entered the network by using port 6000. Port 6000 is used by an application located on a server. The technician has been asked to block this port on all servers and computers except for the one server which uses this port. Which of the following should the technician do？（）
A、Update the antivirus application
B、Install critical update security patches
C、Adjust the software firewall settings
D、Replace the current antivirus program
简述国家促进对外贸易的措施。
请说明柜员挂失事项更改的操作处理流程。
教师的一言一行在不知不觉间影响着孩子的思想和行动。这说明幼儿园心理环境具有（）特征。
（）是指对人生价值的一种根本看法，主要是从主体的需要和客体能否满足以及如何满足需要的角度，考察和评价人们的行为对个人、阶级、社会的意义。
电信资费分为（）。
A、市场调节价
B、市场指导价
C、政府指导价
D、政府定价