问答题 You run a Windows 2012 and implementing 3 new printers in a warehouse. You need to makean exclusion forthese IP addresses within DHCP server. Select the location where would configure at the DHCP console?

单项选择题 You work as an administrator at Contoso.com. The Contoso.com network consists of a single domain named Contoso.com. All servers in the Contoso.com domain, including domain controllers, have Windows Server 2012 R2 installed. You have created and linked a new Group Policy object (GPO) to an organizational unit (OU), named ENSUREPASSServ, which host the computer accounts for servers in the Contoso.com domain. You have been tasked with adding a group to a local group on all servers in the Contoso.com domain. This group should not, however, be removed from the local group. Which of the following actions should you take?（）

单项选择题 Your network contains an Active Directory domain named contoso.com. The network contains a member server named Server1 that runs Windows Server 2012 R2. Server1 has the DNS Server server role installed and has a primary zone for contoso.com. The Active Directory domain contains 500 client computers. There are an additional 20 computers in a workgroup. You discover that every client computer on the network can add its record to the contoso.com zone. You need to ensure that only the client computers in the Active Directory domain can register records in the contoso.com zone. What should you do first?（）