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单选题
A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their  business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring.  Which of the following is the business benefit of cascaded replication()
A

it is cost efficient, as a single N series or DS8000 can have its controllers split between the  primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third site

B

the second site acts as a repeater station so that greater geographical distances can be achieved

C

ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systems

D

it guarantees data protection by implementing two synchronous copies of the primary site data


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更多 “单选题A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their  business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring.  Which of the following is the business benefit of cascaded replication()A it is cost efficient, as a single N series or DS8000 can have its controllers split between the  primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third siteB the second site acts as a repeater station so that greater geographical distances can be achievedC ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systemsD it guarantees data protection by implementing two synchronous copies of the primary site data” 相关考题
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