Cloud Provider Y owns Cloud Y, which provides a set of cloud services, virtual servers, and one physical server. Cloud S

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Cloud Provider Y owns Cloud Y, which provides a set of cloud services, virtual servers, and one physical server. Cloud Services A and B are hosted on Virtual Server A, which is

A. Cloud Provider Y can implement the cloud-based security group mechanism that establishes a logical trust boundary that encompasses Virtual Servers A and
B. B. Cloud Provider Y can implement the encryption and digital signatures mechanisms to protect the contents of messages from being augmented by malicious service agents.
C. Cloud Provider Y can implement the failover system mechanism by requiring that redundant copies of all service agents be deployed. This will reduce the chances of any one service agent performing malicious actions at runtime.
D. Cloud Provider Y can implement the identity and access management mechanism for Virtual Servers A and B by physically deploying this mechanism on Physical Server A and then further implementing the resource replication mechanism to propagate the identity and access management system across Virtual Servers A and B.