单项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server1 that runs Windows Server 2012 R2 and has the Web Server (IIS) server role installed. Server1 has a web site named Web1. Web1 is configured to use digest authentication. You need to ensure that a user named User1 can access Web1. What should you do from Active Directory Users and Computers?（）

单项选择题 Your network contains two Hyper-V hosts named Host1 and Host2. Host1 contains a virtual machine named VM1. Host2 contains a virtual machine named VM2. VM1 and VM2 run Windows Server 2012 R2. You install the Network Load Balancing feature on VM1 and VM2. You need to ensure that the virtual machines are configured to support Network Load Balancing (NLB). Which virtual machine settings should you configure on VM1 and VM2?（）

单项选择题 You have two servers named Server1 and Server2. Both servers run Windows Server 2012 R2. The servers are configured as shown in the following table. The routing table for Server1 is shown in the Routing Table exhibit.(Click the Exhibit button.) From Server1, you attempt to ping Server2, but you receive an error message as shown in the Error exhibit.(Click the Exhibit button.) You need to ensure that you can successfully ping Server2 from Server1. What should you do on Server1?（）