某路由器建立了如下的路由表
此路由器可以直接从接口0和接口1转发分组，也可以通过相邻的路由器R2、R3和R4进行转发，现共收到4个分组，其目的站IP地址分别为： 128.96.39.11、128.96.40.1、128.96.40.126和192.4.153.11，分别判断每个分组到达路由器后的转发端口。
选择正确的选项，填入到下面对应的括号内。
128.96.40.126，转发端口为（） ["接口0","接口1","R2","R3"]
电压互感器的作用是什么？为什么电压互感器二次回路不允许短路？
Your network consists of a single Active Directory domain named Contoso.com. All servers on the network run Windows Server 2003 Service Pack 2 (SP2). All client computers on the network run Windows XP Professional Service Pack 3 (SP3). All computers run a custom application named App1. App1 requires domain authentication. App1 does not support smart card authentication. Your company implements a new security policy that states that all users must log on to their computers by using a smart card. You need to ensure that all users can use App1 while eeting the new security policy. What should you do?（） ["Configure the Smart Card service to start automatically on all computers by using a Group Policy object （GPO）.","From the properties of all user accounts， enable the Store password using reversible encryption setting.","From the properties of all user accounts， enable the Require smart cards for interactive logon setting.","Enable the Require smart cards for interactive logon policy setting on all computers by using a Group Policy object （GPO）."]
我们到（）年实现全面建成小康社会宏伟目标。 ["2015","2020","2025","2050"]
患者，男性，23岁，外伤致下肢大动脉出血，急救时止血方法宜选择（） ["按压止血法","加压包扎止血法","止血带止血法","结扎止血法","药物"]
为什么要进行数据备份？数据备份及恢复是如何进行的？
