单项选择题
A.Configure the Smart Card service to start automatically on all computers by using a Group Policy object （GPO）.
B.From the properties of all user accounts， enable the Store password using reversible encryption setting.
C.From the properties of all user accounts， enable the Require smart cards for interactive logon setting.
D.Enable the Require smart cards for interactive logon policy setting on all computers by using a Group Policy object （GPO）.
单项选择题 You have a single network segment. All servers run Windows Server 2003 Service Pack 2 (SP2). You have a DHCP server named Server1. Client computers receive IP addresses from Server1. You add a second network segment separated by a RFC 1542-compliant router. You need to ensure that computers in the new network segment can receive their IP configurations from Server1. You make the appropriate configuration changes on the router. What should you do on Server1?（）
单项选择题 You have two servers named Server1 and Server 2 that run Windows Server 2003 Service Pack 2 (SP2). Server1 is a file server. Server2 is a DNS server. The relevant portion of the network is configured as shown in the exhibit. (Click the Exhibit button.) On Server1 you run the Nslookup command and receive the following error message: DNS request timed out. timeout was 2 seconds. You need to ensure that Server1 can contact Server2 and query DNS records. What should you do? （）
单项选择题 You have a DNS server that runs Windows Server 2003 Service Pack 2 (SP2). The server contains two zones named nwtraders.com and contoso.com. Nwtraders.com is configured as an Active Directory-integrated zone. Contoso.com is configured as a standard primary zone. You discover that stale resource records are not being removed from contoso.com. Stale resource records are being removed from nwtraders.com. You need to ensure that stale resource records are automatically removed from contoso.com. What should you do?（）