[单选] You have a self-hosted Windows Communication Foundation (WCF) service. You need to configure the service to provide an X509 certificate during authentication. What should you use to configure the service?（）

简述团体对个体的作用。 单桩竖向抗拔承载力主要取决于如下几项（） 桩身强度。 地基土强度。 桩侧阻力。 桩身自重。 桩抗剪能力。 You create a Web Form that allows users to create a new account. You add a CreateUserWizard control by using the following code segment. You need to ensure that the wizard automatically sends an e-mail message to users when they finish creating their accounts. You add a valid element to the Web.config file. Which code segment should you add to the Page_Load event? （） Wizard1.RequireEmail = tr ue;。 Wizard1.Email = “user@address.com”;。 Wizard1.MailDefinition.From = “registration@mysite.com”;。 SmtpMail.SmtpServer = “ mail.contoso.com&rdquo。 Which of the following is not a valid reason for a packet to be punted？（） The TCAM has reached capacity。 An unknown destination MAC address。 A packet being discarded due to a security violation。 A Telnet packet from a session being initiated with the switch。 Routing protocols sending broadcast traffic。 A packet belonging to a GRE tunnel。 医疗器械生产企业应当及时分析其产品的不良事件情况，开展医疗器械（）。 You have a self-hosted Windows Communication Foundation (WCF) service. You need to configure the service to provide an X509 certificate during authentication. What should you use to configure the service?（）