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Difficulty: MediumNetwork Components Roles and Functions

A network administrator is designing a virtualized data center environment to host high-performance enterprise applications. The implementation requires an architecture where the virtualization software interacts directly with the server physical hardware, avoiding the latency and overhead of a host operating system. Which component fulfills this requirement?

  1. A Type 1 hypervisor installed directly on bare-metal hardwareAnswer
  2. B
    A Type 2 hypervisor running on top of a host operating system
  3. C
    An unmanaged Layer 2 switch managing virtual machine traffic forwarding
  4. D
    A Link Layer Discovery Protocol (LLDP) agent provisioned on the host

Answer

A Type 1 hypervisor installed directly on bare-metal hardware
The correct answer identifies the Type 1 hypervisor (bare-metal), which installs directly on the host server hardware. This architecture allows direct control of CPU, memory, and storage resources without passing requests through a primary operating system layer.

Step-by-Step Solution

1
Analyze the operational requirements specified in the scenario
The requirement calls for a virtualization management layer running directly on physical hardware without an intermediate host OS footprint.
Eliminating the host operating system reduces hardware resource overhead, latency, and security attack vectors.
2
Compare hypervisor architectural types against the requirement
Type 1 hypervisors execute directly on physical server hardware (bare-metal), whereas Type 2 hypervisors execute as applications on top of a general-purpose host OS.
Direct hardware interaction defines the bare-metal nature of Type 1 hypervisors.
3
Select the component matching the bare-metal architecture role
The Type 1 hypervisor is the correct component.
It directly satisfies the requirement for bare-metal performance and virtualization management.

Key Concept

Type 1 vs. Type 2 Hypervisors in Network and Server Virtualization
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Topics

Network Components Roles and Functions

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