单选题Which of the following technologies can provide geographically based load balancing with high availability between two web servers with static content？（）A MulticastB Active/passive clusterC Active/active clusterD DNS round robin
单选题
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
参考解析
解析：
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