What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（） ["QoS","Centrex","Packet encryption","Intelligent call routing"]
下面的进度计划中，不属于按项目所在层次分类的计划（） ["项目总进度计划","分项进度计划","基层作业计划","年进度计划"]
Clients using Cisco-LEAP and EAP-FAST authentication are having no problems logging on to the wirelessnetwork， but clients using PEAP are failing to log on. Which situation would result in this type 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."]
请根据上述要求，选定目次安排较合理的一个（）。 ["一概述；二预备知识（包括所要用的数学、传感器、人工神经网络基本的知识要点）；三理论、方法（包括方案设计等）；四试验或仿真结果；五结论；六致谢；七参考文献。","一概述；二.数学基础知识；三.传感器基础知识；四.人工神经网络简介；五.人工神经网络在目标识别中的应用；六.仿真；七.结论；八.致谢；九.参考文献。","一概述；二.数学基础知识；三.传感器基础知识；四.人工神经网络简介；五.人工神经网络在目标识别中的应用；六.仿真；七.结论","一概述；二预备知识（包括所要用的数学、传感器、人工神经网络基本的知识要点）；三理论、方法（包括方案设计等）；四试验或仿真结果；五结论"]
感应加热淬火时，若频率为1―10kHZ，则淬硬层深度为（）。 ["17.5—22.5mm","16—18mm","11—12.5mm","2—8mm"]
适宜负荷与适时恢复原则
