单项选择题 Your network consists of a single Active Directory domain. You have a DHCP server named DHCP1 that runs Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Service Pack 3 (SP3). All client computers are configured as DHCP clients. You change the IP address on DHCP1. Users report that they cannot connect to the network. You verify that the client computers do not receive an IP address configuration from DHCP1. You need to ensure that the client computers receive an IP address configuration from DHCP1.  What should you do on DHCP1? （）

单项选择题 Your network contains a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has an application that runs as a service. The application fails intermittently. After each failure, you manually restart the service. You need to ensure that the application startsautomatically after a failure.  What should you do?（）

单项选择题 You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has the Routing and Remote Access service enabled and connects to the Internet by using a demand-dial connection. From the Routing and Remote Access snap-in, you open the properties of the server and enable the Log additional Routing and Remote Access information setting. You need to review the log file for issues related to the demand-dial connection.  Which file should you review?（）