H13-511_V5.5 · Question #156
Computing virtualization can be divided into bare metal virtualization and host virtualization. Which of the following layers does the layered architecture of bare metal virtualization include?…
The correct answer is A. Guest os C. hardware D. VMM E. VM. Bare metal virtualization (Type 1 hypervisor) sits directly on hardware with no intermediary OS, so its layered architecture runs from the ground up: Hardware (C) at the base, the VMM/Hypervisor (D) running directly on that hardware, VMs (E) created and managed by the VMM, and…
Question
Computing virtualization can be divided into bare metal virtualization and host virtualization. Which of the following layers does the layered architecture of bare metal virtualization include? (Multiple choice)
Options
- AGuest os
- BHost os
- Chardware
- DVMM
- EVM
How the community answered
(36 responses)- A69% (25)
- B31% (11)
Explanation
Bare metal virtualization (Type 1 hypervisor) sits directly on hardware with no intermediary OS, so its layered architecture runs from the ground up: Hardware (C) at the base, the VMM/Hypervisor (D) running directly on that hardware, VMs (E) created and managed by the VMM, and Guest OS (A) installed inside each VM - all four layers are present. Option B (Host OS) is the distractor: a Host OS is the defining feature of hosted (Type 2) virtualization, where the hypervisor runs as an application on top of an existing OS (e.g., VirtualBox on Windows); removing the Host OS layer is precisely what makes bare metal "bare."
Memory tip: Think of bare metal as "no middleman OS" - the VMM touches the hardware directly. The acronym HGVM (Hardware → VMM → Guest OS via VM) covers all four correct answers, and the missing piece is always the Host OS.
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