正解:A
A cloud site is the correct answer and provides disaster recovery capabilities to spin up all critical devices using internet resources. A cloud site is a type of disaster recovery solution that allows an organization to access and use its critical systems and data in the cloud, rather than on physical servers. In the event of a disaster, an organization can use its cloud site to quickly spin up all its critical devices and continue operations using internet resources.
A hot site, is not the correct answer in this scenario. A hot site is a type of disaster recovery site that is fully equipped and ready for immediate use. It typically includes all the necessary hardware, software, and infrastructure to support an organization's operations in the event of a disaster. However, a hot site is not necessarily designed to use internet resources to spin up critical devices, as is the case with a cloud site.