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Difficulty: HardType 1 and Type 2 Hypervisors

A system administrator is deploying a high-performance database host in an enterprise environment. The deployment requires virtual machines to have direct access to physical hardware resources with minimal execution latency and zero overhead from an intermediate desktop operating system. Which hypervisor architecture fulfills these requirements, and what is its core design characteristic?

  1. Type 1 hypervisor, because it installs directly onto host hardware as a bare-metal operating system.Answer
  2. B
    Type 2 hypervisor, because it executes as an application on top of an existing host operating system.
  3. C
    Type 1 hypervisor, because it runs as a system service inside guest virtual machines to emulate hardware devices.
  4. D
    Type 2 hypervisor, because it bypasses host operating system kernel drivers to grant guest OS direct hardware access.

Answer

A Type 1 hypervisor should be selected because it installs directly on the host system's hardware (bare-metal) without an underlying host operating system.
A Type 1 (bare-metal) hypervisor runs directly on the host server's physical hardware without needing an underlying general-purpose host operating system. This architecture minimizes latency, reduces resource overhead, and provides maximum performance and efficiency for server virtual machines.

Step-by-Step Solution

1
Analyze deployment requirements for low latency and zero host OS overhead.
Identified that the solution must eliminate intermediate operating system layers between guest VMs and physical hardware.
Enterprise server environments with heavy I/O and latency-sensitive workloads require bare-metal access.
2
Compare Type 1 and Type 2 hypervisor architectures.
Type 1 (bare-metal) hypervisors interface directly with physical hardware, whereas Type 2 (hosted) hypervisors run inside a conventional host operating system.
Direct hardware interaction removes host OS resource competition and overhead.
3
Select the correct hypervisor type and operational rationale.
The Type 1 hypervisor provides direct bare-metal deployment to meet the high-performance criteria.
It fulfills all hardware access, performance, and efficiency requirements specified in the scenario.

Key Concept

Bare-Metal (Type 1) vs Hosted (Type 2) Hypervisors
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Topics

Type 1 and Type 2 Hypervisors

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