单项选择题Your company has a single active directory forest that has an active directory domain named na.contoso.com.zone. you have enabled DNS scavenging on server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. you need to ensure that the stale resource records are removed from na.contoso.com. what should you do?()

A.Stop and restart the DNS service on server1.
B.Enable DNS scavenging on the na.contoso.com zone.
C.Run the dnscmd server1 /ageallrecords command on server1/.
D.Run the dnscmd server1 /startscavenging command on server1.


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2.单项选择题You have a DHCP server that runs Windows Server 2008. You need to reduce the size of the DHCP database. What should you do?()

A. From the DHCP snap-in, reconcile the database
B. From the folder that contains the DHCP database, run jetpack.exe dhcp.db temp.mdb
C. From the properties of the dhcp.mdb file, enabled the File is ready for archiving attribute.
D. From the properties of the dhcp.mdb file, enable the Compress contents to save diskspace attribute

3.单项选择题Your company has a main office and a branch office. Users in the branch office report that they are unable to access shared resources in the main office. You discover that computers in the branch office have IP addresses in the range of 169.254.x.x you need to ensure that computers can connect to shared resources in both the main office and the branch office. What should you do?()

A.Configure a DHCP replay agent on a member server in the main office.
B.Configure a DHCP replay agent on a member server in the branch office.
C.Configure the broadcast address DHCP server option to include the main offices DHCP server address.
D.Configure the resource location servers DHCP server option to include the main office serve ip addresses.

6.单项选择题Your network consists of a single Active Directory domain. All servers run Windows Server 2008 R2.You have a server named Server1 that hosts shared documents. Users report extremely slow response times when they try to open the shared documents on Server1.You log on to Server1 and observe real-time data indicating that the processor is operating at 100 percent of capacity.You need to gather additional data to diagnose the cause of the problem.What should you do?()

A. In the Performance Monitor console, create a counter log to track processor usage.
B. In Event Viewer, open and review the application log for Performance events.
C. In Resource Monitor, use the Resource View to see the percentage of processor capacity used by each application.
D. In Performance Monitor, create performance counter alert alert that will be triggered when processor usage exceeds 80 percent for more than five minutes on Server1.

8.单项选择题You have 10 standalone servers that run Windows Server 2008 R2.You install the Windows Server Update Services (WSUS) server role on a server named Server1.You need to configure all of the servers to receive updates from Server1.What should you do?()

A. Configure the Windows Update settings on each server by using the Control Panel.
B. Run the wuauclt.exe /detectnow command on each server.
C. Run the wuauclt.exe /reauthorization command on each server.
D. Configure the Windows Update settings on each server by using a local group policy.

9.单项选择题Your company has an Active Directory domain. Aserver named Server1 runs the Network Access Policy server role. You need to disable IPv6 for all connections except for the tunnel interface and the IPv6 Loopback interface. What should you do()

A.Run the netsh ras ipv6 set command
B.Run the netsh interface ipv6 delete command
C.Run ipv6.exe and remove the IPv6 Protocol
D.From the Local Area Connection Properties, uncheck Internet Protocol Version 6 (TCP/IPv6)

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