Start of repeated scenarioYou are an enterprise desktop support technician for Humongous Insurance. Active Directory ConfigurationThe company has two offices named Office1 and Office2. The network contains an Active Directory forest named humongousinsurance.com. An Active Directory site exists for each office. The sites are named Site1 and Site2. Server ConfigurationAll servers run Windows Server 2008 R2 and are joined to the domain. The relevant servers are configured as shown in the following table. The corporate security policy states that all domain controllers must have only the following roles. AD DSDNS serverDHCP server Network ConfigurationSite1 and Site2 connect to each other by using a WAN link. Client Computer ConfigurationAll client computers run Windows 7 Enterprise and are members of the domain. Some client computers are portable computers and some are desktop computers. The computers do not support hardware virtualization. All computers are configured to receive Windows Updates from WSUS1. Remote Access ConfigurationUsers can connect to NPAS1 from the Internet by using all of the VPN protocols that are supported by Windows Server 2008 R2. Fabrikam, Inc. is a customer of Humongous Insurance. Several Humongous Insurance users work at the Fabrikam office and access resources on the Humongous Insurance network by using direct VPN connections to NPAS1. Fabrikam contains several wireless access points. Application ConfigurationAll computers in the finance department run a custom application suite named App1. Several users in the sales department install an application named App2. App2 runs as a service and logs on by using the credentials of the user who installed the application. End of repeated scenario Humongous Insurance users who work at Fabrikam report that when they move between different wireless networks, they are prompted to manually reconnect to the VPN. You need to ensure that the users can automatically reconnect to the VPN when they move between wireless networks. What should you request?（）

• A、that a network administrator create a CNAME record named AUTODISCOVER in the humongousinsurance.com DNS zone
• B、that a network administrator enable Network Load Balancing on NPAS1
• C、that users use only IKEv2-based VPN connections
• D、that users use only SSTP-based VPN connections