单项选择题
A.Configure all access points to use 802.1x authentication.
B.Configure all protable computers to use MS-CHAP v2 authentication.
C.Use the group policy management console to access the wireless group policy settings, and enable the prevent connections to ad-hoc network option.
D.Use the group policy management console to access the wireless group policy settings, and disable the prevent connections to infrastructure networks option.
单项选择题 Your network contains two DHCP servers named Server1 and Server2.On Server1, you create a scope named Scope1.You need to ensure that DHCP clients receive IP addresses from the address range in Scope1 if Server1 is unavailable. The solution must prevent both servers from assigning duplicate IP addresses.What should you do from the DHCP console？（）
单项选择题 Your company has a single active directory forest that has an active directory domain named na.contoso.com.zone. you have enabled DNS scavenging on server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. you need to ensure that the stale resource records are removed from na.contoso.com. what should you do?（）
单项选择题 Your network contains a single Active Directory domain. All servers run Windows Server 2008 R2.You have an IPv6-only infrastructure that has multiple subnets. You deploy a new server named Server1.You need to ensure that Server1 can communicate with the client computers in all of the internal subnets.The solution must use an address that is reserved for internal networks.Which address should you assign？（）