Start of repeated scenarioYou are an enterprise desktop support technician for Fourth Coffee. The network contains a single domain named fourthcoffee.com. Physical EnvironmentThe company has three offices. The offices are configured as shown in the following table. The relevant servers are configured as shown in the following table. The Web1 server is accessible only through the URL http.//web1.fourthcoffee.local. Application ConfigurationsFourth Coffee deploys an application named App1 to users in the main office by using a Group Policy object (GPO) named APP1Deploy. App1 requires that a drive named M be mapped to \AppServer1AppData$. App1 saves information on a local computer if drive M is unavailable. All client computers have drive M. Security PolicyThe corporate security policy states that domain controllers can only be deployed in secure data centers. Branch office 2 does not have a secure data center. Client ConfigurationAll users connect remotely through VPN1. VPN1 is configured to accept only SSTP-based VPN connections. All client computers receive IP configurations from DHCP. You recently purchased 100 desktop computers from a new hardware vendor. End of repeated scenario Users in branch office 2 map drives to shared folders on SRV1. The users report that they cannot access files in the shared folders when the WAN link between branch office 2 and the main office is unavailable. When they attempt to access the files, they are prompted to enter their credentials but are denied access. You need to ensure that the users can access the shared folders if the WAN link fails. What should you do?
A.
Instruct a desktop support technician to configure Offline Files on the Windows 7 computers.
B.
Instruct a desktop support technician to configure BranchCache on the Windows 7 computers.
C.
Request that a domain administrator deploy a domain controller in branch office 2.
D.
Request that a domain administrator enable Universal Group Membership Caching for branch office 2.