下列选项中（）按钮是插入Fireworks HTML。
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YouarecreatinganASP.NETwebapplicationthathostsseveralWindowsCommunicationFoundation(WCF)services. TheserviceshaveASP.NETCompatibilityModeenabled.UsersauthenticatewiththeWebapplicationbyusingacookie-basedASP.NETFormsAuthenticationmodel. YouaddaservicefilenamedAuthentication.svcthatcontainsthefollowingcodesegment: YouneedtoensurethatuserscanaccesstheWCFserviceswithouthavingtore-authenticate. Whichtwoconfigurationsettingsshouldyouadd?(Eachispartofacompletesolution.Choosetwo.)（）
A. Inthesystemweb.Extensionsscripting/webServices/authenticationServiceelement,settheenabledattributetotrue.
B. Inthesystemweb.Extensionsscripting/webServices/profileServiceelement,settheenabledattributetotrue.
C. AddaserviceendpointwithbasicHttpBindingforthecontractSystem.Web.ApplicationServices.AuthenticationService.
D. AddacustomservicebehaviornamedAuthenticationServiceTypeBehaviorswithaserviceAuthenticationManagerelementthathasserviceAuthenticationManagerTypesettoSystem.Web.Security.SQLMembershipProvider
在下图的属性面板中，如果要设置flash动画的品质，应（）
A. 点击标志1所对应的复选框
B. 点击标志2所对应的复选框
C. 点击标志3进行设置
D. 点击标志4进行设置
下面关于加载的音频文件的参数设置对话框中，autostart的含义是指（）
A. 如果对应的值为“true”，则可以实现循环播放音乐的效果
B. 如果对应的值为“false”，则可以实现循环播放音乐的效果
C. 如果对应的值为“true”，则可以实现自动播放音乐的效果
D. 如果对应的值为“false”，则可以实现自动播放音乐的效果
In what situation would the command ip helper-address be required？（Choose the best answer.）（）
A. Only when there is a duplicate IP address caused by a combination of static and dynamic IPaddress allocations
B. On each router that exists between the client and the server
C. Only when a router separates the client from the server
D. Only if the DHCP sever issues a DHCPNAK to the initial request
E. Only when the client is on the same subnet as the server
F. Only when the DHCP pool is out of IP addresses
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