An IT auditor is evaluating a bank's use of a public cloud service provider (CSP) for hosting its mobile banking application. Under the shared responsibility model, which of the following controls is MOST likely the bank's responsibility to implement and audit?
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A
Physical security of the data center facilities.
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B
Configuration of the virtual machine operating systems and security groups.
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C
Security of the underlying network infrastructure.
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D
Maintenance of the hypervisor that manages virtual resources.