单项选择题 Your network consists of a single Active Directory domain. The network contains two Windows Server 2008 R2 computers named Server1 and Server2. The company has two identical print devices. You plan to deploy print services.  You need to plan a print services infrastructure to meet the following requirements： èManage the print queue from a central location.    èMake the print services available， even if one of the print devices fails. What should you include in your plan？（）

单项选择题 Your company has a main office and three branch offices. The network consists of a single Active   Directory domain. Each office contains an Active Directory domain controller. You need to create a DNS   infrastructure for the network that meets the following requirements：   èThe DNS infrastructure must allow the client computers in each office to register DNS names within their.  respective offices.    èThe client computers must be able to resolve names for hosts in all offices. What should you do？（）

单项选择题 Your network contains two DHCP servers. The DHCP servers are named DHCP1 and DHCP2. The   internal network contains 1，000 DHCP client computers that are located on a single subnet. A routerseparates the internal network from the Internet. The router has a single IP address on the internal  interface. DHCP1 has the following scope information. èStarting IP address： 172.16.0.1  èEnding IP address： 172.16.7.255  èSubnet mask： 255.255.240.0   You need to provide a fault-tolerant DHCP infrastructure that supports the client computers on the internal  network. In the event that a DHCP server fails， all client computers must be able to obtain a valid IP  address. How should you configure DHCP2？（）