单选题You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 hosts a primary zone for contoso.com. On Server1, you update the host (A) record for server2.contoso.com to have a new IP address. On Server1, you run Ping 

第1题：

Your network contains a single Active Directory domain named contoso.com.You have a domain controller named DC1 that runs Windows Server 2003 Service Pack 2 （SP2） that has the DNS Server Windows component installed.  You have a member server named Server1 that runs Windows Server 2003 SP2.Server1 fails to update its host （A） record for the contoso.com domain. You need to verify that DNS requests from Server1 are sent to DC1.  What should you do？（）

• A、On Server1，restart the server， press F8， and enable boot logging.
• B、On Server1，open the properties of the network adapter and install the Network Monitor Driver.
• C、On DC1，open the DNS snap-in and configure debug logging for the DNS Server service.
• D、On DC1，open the DNS snap-in and configure event logging for errors and warnings for the DNS Server service.

第2题：

Your company has a server named Server1 that runs Windows Server 2008 R2. Server1 runs the DHCP Server server role and the DNS Server server role. You also have a server named ServerCore that runs a Server Core installation of Windows Server 2008 R2.All computers are configured to use only Server1 for DNS resolution. The IP address of Server1 is 192.168.0.1. The network interface on all the computers is named LAN.Server1 is temporarily offline. A new DNS server named Server2 has been configured to use the IP address 192.168.0.254.You need to configure ServerCore to use Server2 as the preferred DNS server and Server1 as the alternate DNS server.What should you do？（）

• A、Run the netsh interface ipv4 add dnsserver "LAN" static 192.168.0.254 index=1 command.
• B、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 192.168.0.1 both command.
• C、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 primary command and the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.1 both command.
• D、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 primary command and the netsh interface ipv4 add dnsserver "LAN" static 192.168.0.1 index=1 command.

第3题：

You are building a test environment to evaluate DNS Security Extensions (DNSSEC).You have a domain controller named Server1 that runs Windows Server 2008 R2 in your test environment.Server1 has the DNS Server server role installed.You need to configure Server1 to support the DNSSEC evaluation.Which two actions should you perform？（）

• A、Create a new Quad-A (AAAA) DNS record.
• B、Create a new Signature (SIG) DNS record.
• C、Create a new Public key (KEY) DNS record.
• D、Create a new Well-known service (WKS) DNS record.

第4题：

You are building a test environment to evaluate DNS Security Extensions (DNSSEC). You have a domain controller named Server1 that runs Windows Server 2008 R2 in your test environment. Server1 has the DNS Server server role installed. You need to configure Server1 to support the DNSSEC evaluation. Which two actions should you perform？（）

• A、Create a new Quad-A (AAAA) DNS record.
• B、Create a new Signature (SIG) DNS record.
• C、Create a new Public key (KEY) DNS record.
• D、Create a new Well-known service (WKS) DNS record.

第5题：

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have a DNS server named Server1 that hosts a primary zone for the domain. You have a DNS server named Server 2 that hosts a secondary zone for the domain.  You discover that the resource records on Server2 are different from the resource records on Server1. You need to ensure that the resource records are the same on Server1 and Server2.  What should you do？（）

• A、On Server2， select Reload in the DNS zone.
• B、On Server2， select Reload from Master in the DNS zone.
• C、On Server1， select Update Server Data File in the DNS zone.
• D、On Server1， deselect the Fail on load if bad zone data option.

第6题：

Your company has a server named Server1 that runs Windows Server 2008 R2. Server1 runs the DHCP Server server role and the DNS Server server role. You also have a server named ServerCore that runs a Server Core installation of Windows Server 2008 R2. All computers are configured to use only Server1 for DNS resolution. The IP address of Server1 is 192.168.0.1. The network interface on all the computers is named LAN. Server1 is temporarily offline. A new DNS server named Server2 has been configured to use the IP address 192.168.0.254.You need to configure ServerCore to use Server2 as the preferred DNS server and Server1 as the alternate DNS server. What should you do？（）

• A、Run the netsh interface ipv4 add dnsserver "LAN" static 192.168.0.254 index=1 command.
• B、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 192.168.0.1 both command.
• C、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 primary command and the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.1 both command.
• D、Run the netsh interface ipv4 set dnsserver "LAN" static 192.168.0.254 primary command and the netsh interface ipv4 add dnsserver "LAN" static 192.168.0.1 index=1 command.

第7题：

You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. You create a primary zone on Server1 for contoso.com.You run the DNS simple query test and recursive query test. The simple query test completes successfully， but the recursive query test fails.You need to ensure that the recursive query test can complete successfully.  What should you do on Server1？（）

• A、Clear the cache.
• B、Disable recursion.
• C、Enable access to the Internet.
• D、Configure a reverse lookup zone.

第8题：

You have a server named Server1 that runs Windows Server 2008. The server has the Web Server （IIS） server role installed.  You have an SMTP gateway that connects to the Internet. The internal firewall prevents all computers， except the SMTP gateway， from establishing connections over TCP port 25. You configure the SMTP gateway to relay e-mail for Server1.  You need to configure a Web site on Server1 to send e-mail to Internet users. What should you do？（）

• A、On Server1， install the SMTP Server feature.
• B、On Server1， configure the SMTP E-mail feature for the Web site.
• C、On an internal DNS server， create an MX record for Server1.
• D、On an internal DNS server， create an MX record for the SMTP gateway.

第9题：

You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 runs a custom application. Users report that the performance of Server1 has decreased significantly during the last 30 minutes. You need to identify the current processor and memory usage for each process running on Server1. Which tool should you use? （）

• A、Event Viewer
• B、Task Manager
• C、Query Process
• D、System Configuration Utility

第10题：

You have a DNS server named Server1 that hosts a primary zone for the domain. You have a DNS server named Server 2 that hosts a secondary zone for the domain.You discover that the resource records on Server2 are different from the resource records on Server1. You need to ensure that the resource records are the same on Server1 and Server2. What should you do?（）

• A、On Server2, select Reload in the DNS zone. 
• B、On Server2, select Reload from Master in the DNS zone. 
• C、On Server1, select Update Server Data File in the DNS zone. 
• D、On Server1, deselect the Fail on load if bad zone data option.