单项选择题
A.Enable automatic updates on each client.
B.Enable the security center on each client.
C.Quarantine clients that do not have all available security updates installed.
D.Disconnect the remote connection until the required updates are installed.
单项选择题 our company has a DNS server named server1. Your partner company has a DNS server named server2. You create a stub zone on server1. The master for the stub zone is server2. Serve2 fails. You discover that users are not able to resolve named for the partner company. You need to ensure that users are able to resolve named for the partner company in the event that server2 fails. What should you do?（）
单项选择题 Your network contains an Active Directory domain. The domain contains a DHCP server named Server1.You create a scope named Scope1 on Server1.You need to prevent unauthorized DHCP clients from receiving addresses from Server1.What should you do？（）
多项选择题 You need to add a reservation for a print device to a DHCP scope.Which two components should you include in the reservation？（）