单项选择题
Which of the following technologies can provide geographically based load balancing with high availability between two web servers with static content?（）
A. Multicast
B. Active/passive cluster
C. Active/active cluster
D. DNS round robin
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Aserverisexperiencinganundeterminedproblem.Whichofthefollowingstepsshouldthetechnician takeinordertoidentifywhetheritisasoftwareorhardwareproblem？（）
A. Reseat all main components
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Deploying an operating system using WDS without a boot disk would require which of the following?（）
A. FTP server
B. PXE support
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