The integrated services routing architecture provides the performance， availability， and reliabilityneeded to scale mission-critical business applications in the most demanding environments.Which statement best describes the benefits of Cisco Integrated Services Routers？（） [" ISRs provide threat defense against attacks from hackers and viruses that can occur in thenetwork."," ISRs provide the framework to integrate and extend wired and wireless networks"," ISRs provide concurrent security， voice， data， wireless， and application optimization services."," ISRS provide the common fabric， functionality， and CLI across the network."]
选相元件是综合重合闸装置的重要元件，其作用是当本线路发生（）时，正确选择（）。
循环式索道中分为？
The wlan controller maintains up to how many controller crash files？（） ["10","5","15","20"]
人工冻结法施工工艺不包括（） ["冻结工作站安装","铺设冻结管","积极冻结期","土体渗漏治理"]
商业银行采用的资产负债比例的指标是哪主要的五大类？
