单项选择题 You work as a Web Developer at Certkiller.com. You create a Web application using MicrosoftASP.NET 3.5.  The Web application is hosted on a Web farm. The Web farm consists of three Web servers. Youshould configure the Web application for session state in order to meet the following requirements： * The session state data should not be lost if a server fails. * The session state should be maintained across browser requests by the same user.  You need to configure the Web.config file to meet these requirements.  What shuld you do？（）

多项选择题 Certkiller.comhashiredyouasasystemadministratorfortheirnetwork.ThepreviousadministratorcreatedaMicrosoftASP.NETWebapplication.Microsoft.NETFrameworkv3.5wasusedtocreatethisapplication.YoudetectanunexpectedincreaseinthevalueoftheApplicationRestartscounterwhilstmonitoringtheapplicationperformancecounters.Youreceiveaninstructionfrommanagementtoidentifythereasonsfortheincrease.Whatshouldyouidentify？（）

单项选择题 You work as a system administrator at Certkiller.com. You are in the process of creating anASP.NET application using Microsoft .NET Framework v3.5.  You receive an instruction from management to create a custom-templated server control. Toensure productivity you need to make sure that the child controls of the newly created servercontrol are identified within the hierarchy of the page. You thus need to identify the interface thatwill accomplish this.  What should you do？（）