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


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