[单项选择]Your company has client computers that run Windows 7 and client computers that run Windows XP Professional. You enable the Network Discovery feature on the Windows 7 computers. You discover that the Windows XP computers do not appear on the network map. You need to ensure that all client computers appear on the network map. What should you do?（）
A. Configure the IPv6 protocol on the Windows 7 computers.
B. Configure the network shares on the Windows 7 computers to include the user names of all employees.
C. Configure the network shares on the Windows XP computers to include the user names of all employees.
D. Install the Link Layer Topology Discovery (LLTD) Responder on the Windows XP computers.

[单项选择] All client computers in your company run Windows 7. Windows Virtual PC is installed on all client computers. You create and configure a virtual machine (VM) named Guest1. You need to use the Guest1 virtual hard disk (VHD) as a base for additional VMs that will run on the same host computer, and minimize the disk space required for each new VM. Which type of VHD should you create for the new VMs？（）
A. fixed size
B. differencing
C. dynamically expanding
D. linked to a physical hard disk

[单项选择]All client computers on your company network run Windows 7 and are members of a Windows Server 2008 R2 domain. The R&D department staff are local administrators on their computers and are members of the R&D global security group. A new version of a business software application is available on the network. You plan to apply an AppLocker security policy to the R&D group. You need to ensure that members of the R&D group are not allowed to upgrade the software. What should you do?（）
A. Create an Audit only restriction based on the version of the software.
B. Create an Audit only restriction based on the publisher of the software.
C. Create an Enforce rule restriction based on the version of the software.
D. Create an Enforce rule restriction based on the publisher of the software.

[单项选择]Your company network has 500 client computers that run Windows 7. Your team consists of 20 desktop support technicians. Two technicians troubleshoot a hardware-related performance issue on a computer. The technicians obtain different results by using their own User Defined Data Collector Sets. You need to create a standardized Data Collector Set on a network share that is accessible to your team. What should you create?（）
A. Event Trace Data Collector Set
B. Performance Counter Data Collector Set
C. Performance Counter Alert Data Collector Set
D. System Configuration Information Data Collector Set