Which of the following disaster recovery sites requires power and cabling to be run before it can be used？（）

Whichofthefollowingtechnologiescanprovidegeographicallybasedloadbalancingwithhigh availabilitybetweentwowebserverswithstaticcontent？（）

A. Multicast
B. Active/passive cluster
C. Active/active cluster
D. DNS round robin

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Whenloadbalancingtrafficbetweentwowebservers，whichofthefollowingtechnologiesprovides theLOWESTcostsolution？（）

A. Active/passive cluster
B. Active/active cluster
C. Log shipping
D. DNS round robin

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