In IaaS, the provider keeps total control over the physical hardware and administrative control over the:
AHydraulic layer
BHygienic layer
CHypervisor layer
DHyperlink layer
Answer & Solution
Correct answer: C. Hypervisor layer
1. The IaaS line of control falls inside the machine.
2. The provider must retain whatever creates the VMs.
3. The provider maintains total control over the physical hardware and administrative control over the hypervisor layer.
4. So the answer is the hypervisor layer.
_Source: NIST SP 800-146, 'Cloud Computing Synopsis and Recommendations'_
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