In IaaS, the consumer typically controls the guest operating system and:
ALedgers above it
BLicences above it
CLinkages above it
DLayers above it
Answer & Solution
Correct answer: D. Layers above it
1. The consumer is handed a bare virtual machine.
2. Everything they install on it is theirs to run.
3. The consumer typically maintains complete control over the guest operating system in each VM and all software layers above it.
4. So the answer is layers above it.
_Source: NIST SP 800-146, 'Cloud Computing Synopsis and Recommendations'_
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