[单项选择]Your company has two servers that run Windows Server 2008 R2 named Server2 and Server3.Both servers have the DNS Server server role installed.Server3 is configured to forward all DNS requests to Server2.You update a DNS record on Server2.You need to ensure that Server3 is able to immediately resolve the updated DNS record.What should you do？（）
A. Run the dnscmd . /clearcache command on Server3.
B. Run the ipconfig /flushdns command on Server3.
C. Decrease the Time-to-Live (TTL) on the Start of Authority (SOA) record of na.contoso.com to 15 minutes.
D. Increase the Retry Interval value on the Start of Authority (SOA) record of na.contoso.com to 15 minutes.

[单项选择]Your company has two servers that run windows server 2008 named server2 and server3, both servers have the DNS server role installed. Server3 is configured to forward all DNS requests to server2. You update a DNS record on server2, you need to ensure that server3 is able to immediately resolve the updated DNS record. What should you do?（）
A. Run the dnscmd /clearcache on server3.
B. Run the ipconfig /flushdns command on server3.
C. Decrease the time-to-live (TTL) on the start of authority (SOA) record of na.contoso.com to 15minutes.
D. Increase the retry interval value on the start of authority (SOA) record of na.contoso.com to 15 minutes.

[单项选择] Your company has two servers that run Windows Server 2008 R2 named Server2 and Server3. Both servers have the DNS Server server role installed. Server3 is configured to forward all DNS requests to Server2. You update a DNS record on Server2. You need to ensure that Server3 is able to immediately resolve the updated DNS record. What should you do？（）
A. Run the dnscmd . /clearcache command on Server3.
B. Run the ipconfig /flushdns command on Server3.
C. Decrease the Time-to-Live (TTL) on the Start of Authority (SOA) record of na.contoso.com to 15 minutes.
D. Increase the Retry Interval value on the Start of Authority (SOA) record of na.contoso.com to 15 minutes.

[单项选择]Your company has servers that run windows server 2008. All client computers run windows XP service pack2 (sp2). Windows 200 professional. Or windows vista. You need to ensure all computers can use the ipv6 protocol. What should yo do?（）
A. Install serivce pack 4 on all windows 2000 professioanl computers.
B. Upgrade the windows 2000 professional computers to windows XP SP2.
C. Run the IPv6.exe tool on the windows 2000 professional and windows xp computers.
D. Install active directory client extention (DSClient.exe ) on the windows 2000 professional and windows xp computes.

[单项选择]your company has servers that run windows server 2008. All client computers run windows XP service pack 2 (SP2.). windows 2000 professional, or windows vista. You need to ensure all computers can use the IPv6 protocol. What should you do?（）
A. Install service pack 4 on all windows 2000 professional computers.
B. Upgrade the windows 2000 professional computers to windows XP SP2.
C. Run the IPv6.exe tool on the windows 2000 professional and windows XP computers.
D. Install active directory client extenticon. (DSClient.exe) on the windows 2000 professional and windows XP computers.

[多项选择]Your company has 10 servers that run windows server 2008. The servers have RDP enabled for server administration. RDP is configured to use default security settings. All administrators computers run widows vista. You need to ensure the RDP connections are as secure as possible. Which two actions should you perform? （）
A. Set the security layer for each server to the RDP security layer.
B. Configure the firewall on each server to block port 3389.
C. Acquire user certificates from the internal certificate authority.
D. Configure each server to allow connections only to remote desktop client computers that use network level authentication.

[多项选择] Your company has 10 servers that run Windows Server 2008 R2. The servers have Remote Desktop Protocol (RDP) enabled for server administration. RDP is configured to use default security settings. All administrators' computers run Windows 7. You need to ensure the RDP connections are as secure as possible. Which two actions should you perform？（）
A. Set the security layer for each server to the RDP Security Layer.
B. Configure the firewall on each server to block port 3389.
C. Acquire user certificates from the internal certification authority.
D. Configure each server to allow connections only to Remote Desktop client computers that use Network Level Authentication.

[单项选择]Your company has four DNS servers that run Windows Server 2008 R2. Each server has a static IP address.You need to prevent DHCP from assigning the addresses of the DNS servers to DHCP clients.What should you do？（）
A. Create a new scope for the DNS servers.
B. Create a reservation for the DHCP server.
C. Configure the 005 Name Servers scope option.
D. Configure an exclusion that contains the IP addresses of the four DNS servers.

[单项选择]our company has four DNS servers that run windows 2008. Each server has a static ip address. You need to prevent dhcp from assigning the addresses of the DNS servers to DHCP clients. What should you do?（）
A. Create a new scope for the DNS servers.
B. Create a reservation for the DHCP serve.
C. Configure the 005 name servers scope option.
D. Configure an exclusion that contains the ip addresses of the four DNS servers.

[单项选择]Your company has a network that has 100 servers. A server named Server1 is configured as a file server. Server1 is connected to a SAN and has 15 logical drives.You want to automatically run a data archiving script if the free space on any of the logical drives is below 30 percent.You need to automate the script execution.You create a new Data Collector Set. What should you do next？（）
A. Add the Event trace data collector.
B. Add the Performance counter alert.
C. Add the Performance counter data collector.
D. Add the System configuration information data collector.

[单项选择]Your company has a network that has 100 servers. You install a new server that runs Windows Server 2008 R2. The server has the Web Server (IIS) server role installed.After a week, you discover that the Reliability Monitor has no data, and that the Systems Stability chart has never been updated. You need to configure the server to collect the Reliability Monitor data. What should you do？（）
A. Run the perfmon.exe /sys command on the server.
B. Configure the Task Scheduler service to start automatically.
C. Configure the Remote Registry service to start automatically.
D. Configure the Secondary Logon service to start automatically.

[单项选择]Your company has client computers that run Windows 7 and client computers that run Windows XP Professional. You enable the Network Discovery feature on the Windows 7 computers. You discover that the Windows XP computers do not appear on the network map. You need to ensure that all client computers appear on the network map. What should you do?（）
A. Configure the IPv6 protocol on the Windows 7 computers.
B. Configure the network shares on the Windows 7 computers to include the user names of all employees.
C. Configure the network shares on the Windows XP computers to include the user names of all employees.
D. Install the Link Layer Topology Discovery (LLTD) Responder on the Windows XP computers.

[单项选择] Your organization has 20 servers that run Windows Server 2003 Service Pack 2 (SP2). You need to monitor all 20 servers for a period of 24 hours by using the same performance counters. You must achieve this goal by using the least amount of administrative effort. What should you do first? （）
A. In System Monitor, add counters.
B. In System Monitor, create a Taskpad.
C. In Performance Logs and Alerts, create a trace log.
D. In Performance Logs and Alerts, create a counter log.

[单项选择]Your company has multiple DNS servers in the main office. You plan to install DNS on a member server in a branch office. You need to ensure that the DNS server in the branch office is able to query and DNS server in the main office, and you need to limit the number of DNS records that are transferred to the DNS server in the branch office. What should you do?（）
A. Configure a secondary zone on the DNS server in the branch office.
B. Configure a stub zone on the DNS server in the branch office.
C. Configure a stub zone on the DNS server in the main office.
D. Configure a primary zone on the DNS server in the branch office.