单项选择题
A.Run a startup script that includes Net Time /querysntp on all client computers.
B.Run a startup script that includes Net Time /setsntp on all client computers.
C.Configure the primary domain controller （PDC） emulator in each domain to synchronize its clock with the same external time source.
D.Decrease the Maximum tolerance for computer clock synchronization setting in the default Domain Group Policy object （GPO）.
单项选择题 Your company’s client computers run Windows 7. Your company’s network has a wireless access point （WAP）. A user reports that he regularly loses connectivity to the WAP. You need to display information about client connectivity to the WAP. What should you do？（）
单项选择题 Your company infrastructure includes a Windows Server 2008 R2 file server and 1，000 Windows 7 Enterprise client computers. The company wants to require a secure connection between client computers and the file server. You need to create and deploy a Group Policy object （GPO） that includes a rule for Windows Firewall with Advanced Security. What should you do？（）
单项选择题 Your company’s network includes client computers that run Windows 7. You design a wireless network to use Extensible Authentication Protocol-Transport Level Security （EAP-TLS）. The Network Policy Server has a certificate installed. Client computers are unable to connect to the wireless access points. You need to enable client computers to connect to the wireless network. What should you do？（）