The accompanying figure illustrates Gmail's _____ feature.

Which of the following is NOT a security concern presented by virtualized storage?

A. The additional layers of technology required by virtual storage increases management overhead by necessitating additional points at which to apply security controls. B. There are challenges involved in managing large numbers of virtual instances and snapshots. C. There is a potential loss of visibility into the guest operating systems and the network traffic in the virtualized environment. D. There is an inability to control access through authentication.

____ attacks send a large quantity of packets to a server so that resources are overutilized.?

A. ?Defaced pages B. ?Intrusion C. ?Errors and omissions D. ?Denial-of-service