因紧急避险造成损害的，由引起险情发生的人承担民事责任。如果危险是由自然原因引起，紧急避险人（）或者承担适当的民事责任。
Which three of these are major scaling， sizing， and performance considerations for an IP secdesign？ （） [" connection speed"," number of remote sites"," features to be supported"," types of devices at the remote site"," whether packets are encrypted using 3DES or AES"," number of routes in the routing table at the remote site"]
厂用电系统的倒闸操作一般有哪些规定？
A company is using a multi-site centralized call processing model. Which feature ensures that the remote site IP phones will still have limited functionality given a WAN outage?（） ["Call Admission Control","TAPI","MGCP","SRST"]
请参见图示。路由器 Jax 和路由器 Atlanta 之间可通过 IP 地址互相 ping 通。但当从路由器 Jax 上输入 telnet Atlanta 命令时，Telnet 连接失败。导致此问题的两个可能的原因是什么（） ["路由器 Atlanta 主机表中不含路由器 Jax 的条目。","路由器 Jax 主机表中不含路由器 Atlanta 的条目。","Atlanta 路由器上的 hostname 命令配置不正确。","Jax 路由器上的 hostname 命令配置不正确。","无法访问 DNS 服务器。"]
辅助生产费用归集的程序有（）种。两者的区别在于辅助生产（）归集的程序不同。
