Client association using eap-cisco wireless （leap） is failing， but eap-peap is functioning on an autonomous access point. Which of the following needs to be enabled on the access point so eap-cisco wireless （leap） is enabled？（） ["open authentication plus mac","open authentication plus eap","shared key","network ea"]
最近几年，用于道路建设的新材料、新技术、新设备不断出现在各个城市的市政工程建设中，其中不属于新技术，新材料的是（） ["SMA","SBR","SBS","CE"]
Which three are benefits of A virtualized data center solution over A typical implementation?（） ["simplified cabling","more efficient routing","fewer applications per server","more efficient power consumption","more control over each server","less rack space"]
对新闻单位来说，最根本的公共关系措施是（） ["积极参与社会活动","为社会公众提供新闻服务","切实履行社会责任","满足社会公众的信息需求"]
改变供油量的同时，调整负荷使转速不变，每调整一次，得到一个相应的参数点，在坐标图上将许多点连成线就能得到柴油发动机的（）。 ["速度特性曲线","外特性曲线","部分特性曲线","负荷特性曲线"]
简述合同的概念和合同成立的条件
