Clients using Cisco-LEAP and EAP-FAST authentication are having no problems logging on to thewireless network， but clients using PEAP are failing to log on. Which situation would result in thistype of problem？（） ["The AAA server is set to accept both MS-CHAP v2 and GTC for PEAP authentication.","Clients have been set to validate the server identity.","Posture validation has not been enabled.","Clients and server are not using certificates."]
关于隧道浅埋暗挖法施工的说法，错误的是（）。 ["施工时不允许带水作业","要求开挖面具有一定的自立性和稳定性","常采用预制装配式衬砌","与新奥法相比，初期支护允许变形量较小"]
简述国债的特征
犯罪嫌疑人在被侦查机关第一次讯问后或者采取强制措施之日起，可以聘请（）为其提供法律咨询、代理申诉、控告。 ["律师","教师","在读的大学生","任何人"]
采用一个0—2000欧的电位器，构成调压器，当在电位器电阻为1000欧处引出引线作为输出端，接人电阻为100欧的负载，当电位器的输入电压为220伏时，试计算：
电位器的输出电压U2及负载消耗的功率P2。
怎样才能看准压力表的读数？
