A CSA needs to bring a client's public cloud site online at another location in the same region after a disaster. The RP

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A CSA needs to bring a client's public cloud site online at another location in the same region after a disaster. The RPO is eight hours, and the RTO is four hours.
Which of the following is the BEST way to accomplish this goal?

A. Restore the site at the new location within six hours by using backups from the failed public cloud site from eight hours earlier. Switch users from the failed site to the online regional public cloud site.
B. Restore the site at the new location within two hours by using backups from the failed public cloud site from two hours earlier. Switch users from the failed site to the online regional public cloud site.
C. Restore the site at the new location within eight hours by using backups from the failed public cloud site from six hours earlier. Switch users from the failed site to the online regional public cloud site.
D. Restore the site at the new location within four and half hours by using backups from the failed public cloud site from a half hour earlier. Switch users from the failed site to the online regional public cloud site.