单项选择题
A.Restart the DNS server service on DC1.
B.Run the dnscmd command by using the /zonerefresh option on DC1.
C.Run the dnscmd command by using the /zonerefresh option on SRV1.
D.Set the refresh interval to 10 minutes on the start of authority (SOA) record.
单项选择题 Your network contains a DNS server named DNS1 that runs Windows Server 2008 R2. DNS1 is configured as the DNS server for contoso.com. All client computers are configured to use DNS1 for name resolution.From a client computer, you run the Ping tool as shown in the exhibit. (Click the Exhibit button.) You need to ensure that users can use the Ping tool to resolve the IP addresses of internal servers to fully qualified domain names (FQDNs).What should you do？（）
多项选择题 Your company has a main office and a branch office. The branch office has three serves that run a server core installation of windows server 2008. The servers are named server1, server2, server3. You want to configure the event logs subscription on server1 to collect events from server2 and server3. You discover that you cannot create a subscription on server1 another computer. You need to configure a subscription on server1. Which two actions should you perform? （）
单项选择题 Your network contains an Active Directory forest. The forest contains two domains named contoso.com and nwtraders.com.You have a DNS server named DNS1. DNS1 hosts Active Directory-integrated zones for contoso.com and nwtraders.com.You discover that client computers in contoso.com cannot use single-label names to access servers in nwtraders.com.You need to ensure that contoso.com computers can access nwtraders.com servers by using single-label names.What should you modify？（）