单项选择题

An administrator needs to configure a server to restrict mail traffic to an application server for security reasons.
Which of the following techniques can be used to manage this？（）

A. PAT
B. ACLs
C. Subnet masking
D. Port blocking

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An administrator is configuring one server to monitor hardware level information on a second Windows server.Which of the following should be setup on the Windows server to allow the monitoring server to access this information?（）

A. WMI
B. RIS
C. DNS
D. SNMP
E. SMTP

单项选择题

Due to slow backup response， an administrator installed a new driver for the SCSI card. After a server reboot the device is not working properly. Which of the following is the BEST course of action？（）

A.Reboot the server and restore files using ASR.
B.In Device Manager， locate the device， and click Roll Back Driver at the driver tab.
C.Restore the driver from the previous backup tape.
D.Go to Device Manager， locate the device， and click Restore Previous Driver at the driver tab.

单项选择题

Which of the following is a best practice that can be used to ensure consistency when building systems？（）

A. Server build checklist
B. Server baselining tools
C. Architecture diagrams
D. Hardware compatibility list

An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）

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An administrator needs to configure a server to restrict mail traffic to an application server for security reasons.
Which of the following techniques can be used to manage this？（）